SAG588249700
System Application Guide
Spec. No. 588249700 (Model MHSB160CAB)
Issue AB, December 29, 2004
Home
SYSTEM OVERVIEW
Description:
A DC-DC Converter Mounting Shelf designed to mount in a 19” or 23” (nominal) equipment
mounting rack. The shelf is configured for 19” mounting unless otherwise specified. The
Converter Mounting Shelf, when equipped with up to eight separately ordered Converter
Modules, provides a DC-DC Converter System that operates from –48VDC to provide
+24VDC load power.
Spec. No.:
588249700
Model:
MHSB160CAB
Output Voltage:
+24 Volts DC
Output Capacity:
DC-DC Converter Module:
Converter Shelf:
Agency Approval:
20 Amperes
160 Amperes
UL 60950 Recognized
Mounting Type:
19” or 23” Relay Rack
Access:
Front and Rear for Installation, Front for Operation and Maintenance
Color:
Off-White Front
Environment:
+65°C for factory wiring applications
+40°C for field wiring applications
Page 1 of 15
This document is the property of Emerson Network Power, Energy Systems, North America, Inc., and contains confidential and proprietary information owned by Emerson Network Power, Energy Systems, North America, Inc.
Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
SAG588249700
Issue AB, December 29, 2004
System Application Guide
Spec. No. 588249700 (Model MHSB160CAB)
TABLE OF CONTENTS
System Overview
Picture
Specifications
Physical Size
Information
Related
Documentation
SYSTEM OVERVIEW.................................................................................................................................................1
TABLE OF CONTENTS .............................................................................................................................................2
ORDERING INFORMATION......................................................................................................................................3
Converter Mounting Shelf (Model MHSB160CAB).............................................................................................3
Converter Modules (Model MHSB20A) ...............................................................................................................3
Lug and Wire Size Selection – Field Wiring Applications ................................................................................4
Frame Ground .....................................................................................................................................................4
DC Input (Dual Feed - Two DC Input Circuits)...................................................................................................5
DC Output............................................................................................................................................................6
External Alarms (J11)..........................................................................................................................................7
SPECIFICATIONS......................................................................................................................................................8
1.1
Output Ratings ...........................................................................................................................................8
1.2
Input Ratings ..............................................................................................................................................9
1.3
Environmental Ratings ............................................................................................................................10
1.4
Standard Features....................................................................................................................................11
PHYSICAL SIZE INFORMATION ............................................................................................................................13
Overall Dimensions ............................................................................................................................................13
Electrical Connection Locations, Lug Mounting Dimensions........................................................................14
RELATED DOCUMENTATION................................................................................................................................14
APPENDIX (A RECORD OF CHANGES MADE TO THIS DOCUMENT)...............................................................15
Page 2 of 15
This document is the property of Emerson Network Power, Energy Systems, North America, Inc., and contains confidential and proprietary information owned by Emerson Network Power, Energy Systems, North America, Inc.
Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
System Application Guide
Spec. No. 588249700 (Model MHSB160CAB)
SAG588249700
Issue AB, December 29, 2004
ORDERING INFORMATION
Use the following information to order a Model MHSB160CAB DC-DC Converter System for field installation.
When equipment described in this document is ordered as part of a Vortex Power System, refer to the Power
System documentation for ordering information.
Converter Mounting Shelf (Model MHSB160CAB)
Features
♦
The mounting shelf accepts up to (8) DC-DC Converter Modules.
♦
Alarm wire harness, Part No. 520343, included. This pre-assembled wire harness mates with the external
alarm connector (J11) on the Converter Mounting Shelf. The harness provides 10-ft. long 20 AWG
conductors suitable for splicing.
Ordering Notes
1) For each Converter Shelf required, specify (1) Spec. No. 588249700.
2) Order Converter Modules separately. (See below.)
Converter Modules (Model MHSB20A)
Ordering Notes
1) Order up to (8) Spec. No. 486800128 DC-DC Converter Modules for each Converter Mounting Shelf
ordered.
Page 3 of 15
This document is the property of Emerson Network Power, Energy Systems, North America, Inc., and contains confidential and proprietary information owned by Emerson Network Power, Energy Systems, North America, Inc.
Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
SAG588249700
Issue AB, December 29, 2004
System Application Guide
Spec. No. 588249700 (Model MHSB160CAB)
Home
Lug and Wire Size Selection – Field Wiring Applications
Note: The input and output terminations have been evaluated for field wiring connections at a maximum
operating ambient temperature of +40°C. For ambient operating temperatures between +40°C and
+65°C these terminations are intended only for connection of internal wiring inside the end-use
equipment. In such applications, the acceptability of the wire connections relative to secureness,
insulation materials, and temperature shall be considered.
All lugs for customer connections must be ordered separately.
For lug selection, refer to the following tables.
For lug mounting hole size and spacing dimensions, refer to the DIMENSIONS section.
Frame Ground
1/4-20 studs and hardware are provided for installation of a customer-furnished, lug-terminated frame ground
lead. The table below lists the recommended crimp lugs for the recommended wire size.
Recommended
1
Wire Size
8 AWG
1
2
Recommended
Crimp Lug2
Vendor
Part No.
T&B
256-30695-251
Burndy
YA8CL-2TC38
Emerson
245349800
This terminal must be connected to earth ground, not power
system neutral. Equipment grounding conductor size is based on
recommendations of the National Electrical Code Table 250-122
for copper wire. If aluminum or copper clad aluminum grounding
conductor is used, refer to Table 250-122 for increased conductor
size.
Refer to the installation section of the instruction manual for lug
crimping information.
Page 4 of 15
This document is the property of Emerson Network Power, Energy Systems, North America, Inc., and contains confidential and proprietary information owned by Emerson Network Power, Energy Systems, North America, Inc.
Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
System Application Guide
Spec. No. 588249700 (Model MHSB160CAB)
SAG588249700
Issue AB, December 29, 2004
DC Input (Dual Feed - Two DC Input Circuits)
1/4-20 studs and hardware are provided for installation of customer provided DC input lugs and leads. The
table below lists the recommended crimp lugs for the recommended wire size.
Operating
Ambient
1
Temperature
Feed
#1
Recm
Branch
Circuit
2
Protection
Loop
Length 3
70 Amperes
47 ft.
Recm 90°C
1
Wire Size
4 AWG
30°C
#2
#1
70 Amperes
70 Amperes
47 ft.
47 ft.
4 AWG
4 AWG
40°C
#2
1
2
3
4
70 Amperes
47 ft.
4 AWG
Recommended
Crimp Lug 4
Vendor
Part No.
T&B
54206
Burndy
YA4CL-2TC14
Emerson
245346800
T&B
54206
Burndy
YA4CL-2TC14
Emerson
245346800
T&B
54206
Burndy
YA4CL-2TC14
Emerson
245346800
T&B
54206
Burndy
YA4CL-2TC14
Emerson
245346800
Recommendations for typical operating ambient temperatures of 30°C and 40°C are provided.
Conductor sizes are based on recommendations of the National Electrical Code Table 310-16
for copper wire rated at 90°C. For other operating ambient temperatures, refer to the National
Electrical Code.
The DC input branch circuit protective device should be of the time-delay or high inrush type.
Wire sizes listed are sufficient to restrict voltage drop to 1.0 volt or less at rated full load output
current for the loop lengths shown. Loop length is the sum of the lengths of the positive and
negative leads.
Refer to the installation section of the instruction manual for lug crimping information.
Page 5 of 15
This document is the property of Emerson Network Power, Energy Systems, North America, Inc., and contains confidential and proprietary information owned by Emerson Network Power, Energy Systems, North America, Inc.
Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
SAG588249700
Issue AB, December 29, 2004
System Application Guide
Spec. No. 588249700 (Model MHSB160CAB)
DC Output
1/4-20 studs and hardware are provided for installation of customer provided DC output lugs and leads. The
table below lists the recommended crimp lugs for the recommended wire size.
Operating
Ambient
1
Temperature
30°C
40°C
1
2
3
Loop
Length 2
47 ft.
47 ft.
Recm 90°C
1
Wire Size
(2) 4 AWG
(2) 4 AWG
Recommended
Crimp Lug 3
Vendor
Part No.
T&B
54206
Burndy
YA4CL-2TC14
Emerson
245346800
T&B
54206
Burndy
YA4CL-2TC14
Emerson
245346800
Recommendations for typical operating ambient temperatures of 30°C
and 40°C are provided. Conductor sizes are based on
recommendations of the National Electrical Code Table 310-16 for
copper wire rated at 90°C. For other operating ambient temperatures,
refer to the National Electrical Code.
Wire sizes listed are sufficient to restrict voltage drop to 1.0 volt or less
at rated full load output current for the loop lengths shown. Loop length
is the sum of the lengths of the positive and negative leads.
Refer to the installation section of the instruction manual for lug
crimping information.
Page 6 of 15
This document is the property of Emerson Network Power, Energy Systems, North America, Inc., and contains confidential and proprietary information owned by Emerson Network Power, Energy Systems, North America, Inc.
Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
System Application Guide
Spec. No. 588249700 (Model MHSB160CAB)
SAG588249700
Issue AB, December 29, 2004
Home
External Alarms (J11)
The following table lists the recommended mating connector for J11.
EXTERNAL ALARMS (J11)
Recommended Mating Plugs
Recommended
Wire
Size
18-20 AWG
1
Contact
Vendor
Housing
Tyco
172158-1
Capacity
Part No.
18-22 AWG
770904-3
or
170362-3
Hand
Crimping
Tool 1
Tyco 90711-2
(18-22 AWG)
Emerson
247873700
18-22 AWG
245381600
Contacts should be crimped to the specifications given in the manufacturer's instructions furnished
with crimp tool or connector.
Page 7 of 15
This document is the property of Emerson Network Power, Energy Systems, North America, Inc., and contains confidential and proprietary information owned by Emerson Network Power, Energy Systems, North America, Inc.
Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
SAG588249700
Issue AB, December 29, 2004
System Application Guide
Spec. No. 588249700 (Model MHSB160CAB)
Home
SPECIFICATIONS
1.1
Output Ratings
1.1.1
Voltage: Nominal +24 volts DC, Negative Ground.
1.1.2
Current: 20 amperes per DC-DC Converter Module, up to a total of 160 amperes per shelf with
eight modules installed.
1.1.3
Regulation
(A) Static: Steady state output voltage remains within ±0.5 volt of the pre-adjusted voltage for
any load current from no load to full load and over the specified input voltage range.
(B) Dynamic: For a step load change of 50% within the range of 10% to 100% of full rated
current, the maximum voltage transient will not exceed 5% of the initial steady state voltage.
1.1.4
Filtering: With at least 10% of rated full load on the output (-20 °C to +65 °C)
(A) Voice band noise is less than 32 dBrnC when measured with a noise meter using 600 ohm
bridged input and C-message weighting.
(B) Wide band noise does not exceed 150 millivolts peak to peak over the frequency range of 0
Hz to 20 MHz.
(C) Wide band noise does not exceed 15 millivolts rms over the frequency range of 0 Hz to 20
MHz (as measured with an HP3400A true rms voltmeter).
(D) Noise below –20°C is slightly higher.
Page 8 of 15
This document is the property of Emerson Network Power, Energy Systems, North America, Inc., and contains confidential and proprietary information owned by Emerson Network Power, Energy Systems, North America, Inc.
Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
System Application Guide
Spec. No. 588249700 (Model MHSB160CAB)
SAG588249700
Issue AB, December 29, 2004
Home
1.2
Input Ratings
1.2.1
Voltage: -48 volts DC nominal, with a range of from -42 to -60 volts DC.
1.2.2
Filtering: Noise reflected back to the central office battery is less than 32 dBrnC.
1.2.3
Typical Input Data - When equipped with one Converter Module.
(A) The output voltage of the DC-DC Converter Module is initially adjusted to 24 volts at 50%
load and 48 volts DC input.
Input Voltage
42 VDC
48 VDC
60 VDC
Percent
of Full Load
Input Current
(Amps)
Efficiency
(%)
Typical Heat
Dissipation
(BTU/Hr)
0
25
50
75
100
0
25
50
75
100
0
25
50
75
100
0.29
3.37
6.49
9.68
12.99
0.27
2.96
5.68
8.47
11.33
0.25
2.56
4.89
7.26
9.71
--84.2
88.1
88.3
87.3
--84.9
88.0
88.3
87.6
--84.1
87.6
88.2
87.6
15
61
98
144
206
15
62
98
144
202
15
66
101
144
201
(B) Maximum Current: Input current is 13 amperes at full load (20 amperes) and 42 volts DC
input.
Page 9 of 15
This document is the property of Emerson Network Power, Energy Systems, North America, Inc., and contains confidential and proprietary information owned by Emerson Network Power, Energy Systems, North America, Inc.
Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
SAG588249700
Issue AB, December 29, 2004
System Application Guide
Spec. No. 588249700 (Model MHSB160CAB)
Home
1.2.4
Typical Input Data - When equipped with eight Converter Modules.
(A) The output voltage of the DC-DC Converter Modules is initially adjusted to 24 volts at 50%
load and 48 volts DC input.
Input Voltage
42 VDC
48 VDC
60 VDC
Percent
of Full Load
Total
Input Current
(Amps)
Efficiency
(%)
Typical Heat
Dissipation
(BTU/Hr)
0
25
50
75
100
0
25
50
75
100
0
25
50
75
100
1.96
27.06
52.67
78.26
105.02
1.68
23.76
45.75
68.39
91.66
1.52
20.52
39.40
58.67
78.39
--84.9
86.8
87.3
86.4
--84.6
87.4
87.4
86.6
--83.9
87.0
87.3
86.8
120
497
865
1241
1767
120
507
823
1230
1739
120
530
850
1240
1718
(B) Maximum Current: Total input current is 105 amperes at full load (160 amperes) and 42
volts DC input.
1.3
Environmental Ratings
1.3.1
Operating Ambient Temperature Range:
a) Field Wiring Applications (per NEC Table 310-16): -20°C to +40°C (-4°F to +104°F).
b) Wiring Contained within End-Use Equipment: -20°C to +65°C (-4°F to +149°F).
1.3.2
Storage Ambient Temperature Range: -40°C to +85°C (-40°F to +185°F).
1.3.3
Humidity: This DC-DC Converter System is capable of operating in an ambient relative
humidity range of 0 to 95%, non-condensing.
1.3.4
Altitude: The maximum operating ambient temperature should be derated by 10°C at an
elevation of 10,000 feet. For elevations between sea level and 10,000 feet, derate the maximum
operating ambient temperature linearly.
1.3.5
Ventilation Requirements: Each Converter Module is fan cooled, using front to back
ventilation. The Converter Mounting Shelf must be located such that ventilation openings are
not blocked and temperature of the air entering the cabinet is not above or below the Operating
Ambient Temperature Range stated in this document.
1.3.6
Audible Noise: With eight Converter Modules installed and operating, the audible noise at any
point 5 feet from any vertical surface of the equipment shelf does not exceed 60 dBA when
measured with a sound level meter conforming to ANSI S1.4.
1.3.7
EMI/RFI Suppression: This DC-DC Converter System conforms to the requirements of FCC
rules Part 15, Subpart B, Class A, for radiated and conducted noise.
Page 10 of 15
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Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
System Application Guide
Spec. No. 588249700 (Model MHSB160CAB)
SAG588249700
Issue AB, December 29, 2004
1.3.8
Filtering: Noise reflected back to the central office battery is within the parameters set
forth in Telcordia Technical Reference TR-TSY-000009, paragraph 5.0, using test
measurements in Telcordia Technical Reference PUB 43802, pages 5 and 6.
1.3.9
Safety Compliance:
Home
(A) This unit meets the requirements of UL 60950, Standard for Information Technology
Equipment, and is UL Recognized as a power supply for use in Telephone, Electronic Data
Processing or Information Processing Equipment.
(B) This unit meets the requirements of CAN/CSA 22.2, No. 60950-00 and is tested and
Certified by UL ("c UR") as a Component Type Power Supply.
1.4
Standard Features
1.4.1
Type of Power Conversion Circuit: High Frequency.
1.4.2
Input Protection:
(A) Fusing: A 20-ampere non-user replaceable fuse is located in the negative input lead of
each Converter Module.
(B) Low Input Voltage Inhibit: Operation of the Converter Modules will inhibit if the input
voltage drops to within the range of 38.5 to 41.0 volts. While operation is inhibited, the
Converter Shelf will draw no more than 20 mA per input bus. Operation will automatically
resume after the input voltage returns to within normal operating limits.
1.4.3
Output Protection:
(A) Overvoltage Protection: Operation of a DC-DC Converter Module will automatically shut
down and lock out if the output voltage of the module exceeds 115% to 125% of the nominal
voltage. Manual restart is necessary after the overvoltage condition is corrected.
(B) Overcurrent Protection: When the output current of a DC-DC Converter Module increases
to a preset overcurrent value between 102.5% and 115% of rated full load, the output
voltage of the module will automatically decrease to limit current to this value. The output
will recover to within specified limits when the overload condition is removed.
(C) Over Temperature Protection: The operation of a DC-DC Converter Module will
automatically shut down and lock out if the internal temperature of the module exceeds a
predetermined value. Operation will automatically resume after the over-temperature
condition is corrected.
1.4.4
Series Paralleling Output Diode: A series paralleling output diode is provided in each
Converter Module. This allows the Converter Modules to be paralleled for redundancy.
1.4.5
External Alarm Circuits: Alarm relay contacts are rated for 1 ampere at 30 volts DC or 0.3
ampere at 60 volts DC.
(A) Minor Alarm: A single set of Form C relay contacts changes state in the event of an alarm
condition in one Converter Module. Contacts remain closed in the event of a major alarm
condition. Alarm conditions include:
•
Converter output increases above 26 volts DC or decreases below 22 volts DC for any
reason, including converter failure, High Voltage Shutdown, input voltage below 42 volts
DC (low input inhibit), or an overload or overtemperature condition.
•
Cooling fan slows or stops due to fan failure or blocked rotor.
(B) Major Alarm: A single set of Form C relay contacts changes state in the event of an alarm
condition in more than one Converter Module. Alarm conditions are as in (A) above.
1.4.6
External Control Inputs:
Page 11 of 15
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Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
SAG588249700
Issue AB, December 29, 2004
System Application Guide
Spec. No. 588249700 (Model MHSB160CAB)
(A) Emergency Stop1: Operation of all Side 1 Converter Modules (left-hand side as viewed
from front) can be inhibited through application of an external signal (system ground).
Major/Minor Alarms will be activated. Upon removal of the ground signal, converters will
resume normal operation.
(B) Emergency Stop 2: Operation of all Side 2 Converter Modules (right-hand side as viewed
from front) can be inhibited through application of an external signal (system ground).
Major/Minor Alarms will be activated. Upon removal of the ground signal, converters will
resume normal operation.
1.4.7
Local Controls (See Operation section of Installation and User Instructions for a complete
description.)
Location
Converter Module
1.4.8
NAME/Description
ON / STANDBY (I /
Type
)
Rocker Switch
Local Status and Alarm Indicators: (See Operation section of Installation and User
Instructions for a complete description.)
Location
NAME/Description
Type
Converter Module
OUTPUT OK
INPUT OK
MINOR ALARM
MAJOR ALARM
LED – green
LED – green
LED – yellow
LED – red
Converter Mounting Shelf
Page 12 of 15
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Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
System Application Guide
Spec. No. 588249700 (Model MHSB160CAB)
SAG588249700
Issue AB, December 29, 2004
Home
PHYSICAL SIZE INFORMATION
Overall Dimensions
NOTES :
1. ALL DIMENSIONS IN INCHES AND
(MILLIMETERS).
17.375 (441.33)
2. WEIGHT IN LBS AND (KILOGRAMS).
14.625
(365.13)
6.000
(152.40)
TOP VIEW
Net
Shipping
Shelf
18 (8.2) 22.4 (10.2)
DC-DC
Converter 3.2 (1.5)
5 (2.3)
Module
3. FINISH :
SHELVES: GALVANNEAL.
CONVERTER
MODULE
FRONT
PANELS: OFF WHITE
ACCEPTS
1-1/4" CONDUIT
FITTINGS
5.20
(132.08)
18.312 (465.12)
RIGHT SIDE VIEW
19.000 (482.60)
22.312 (566.72)
23.000 (584.42)
FRONT VIEW
MOUNTING ANGLE DETAIL
0.250 (6.35) x
0.375 (9.53)
SLOT
ACCEPTS
1-1/4" CONDUIT
FITTING
2.250
(57.15)
LEFT SIDE VIEW
1.468 (37.29)
Page 13 of 15
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Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
SAG588249700
Issue AB, December 29, 2004
System Application Guide
Spec. No. 588249700 (Model MHSB160CAB)
Home
Electrical Connection Locations, Lug Mounting Dimensions
2
2
-48V
INPUT
IN
RETURN
SEE
SEE
DETAIL B DETAIL B
1
1
-48V
INPUT
IN
RETURN
SEE
SEE
DETAIL B DETAIL B
+24V
OUT
SEE
DETAIL B
J11
ALARM &
CONTROL
OUTPUT
RETURN
SEE
DETAIL B
SEE
DETAIL A
DETAIL A
DETAIL B
1/4-20 THREADED STUD
1/4-20
THREADED STUD
0.625
(15.9)
1.000
(245.4)
RELATED DOCUMENTATION
Schematic Diagram: SD588249700
Installation and User Instructions: Section 5906
Page 14 of 15
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Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
System Application Guide
Spec. No. 588249700 (Model MHSB160CAB)
SAG588249700
Issue AB, December 29, 2004
Home
APPENDIX (a record of changes made to this document)
Issue
Change
Number
(ECO)
AA
LLP034491
New.
AB
LLP202639
Updated corporate references.
Description of Change
Date
Approved
9/1/04
9/1/04
J. Kirkpatrick
R. Schroeder
E-Signed by John Jasko 1/4/05 using ApproveIt
1/4/05
E-Signed by John Kirkpatrick 1/4/2005 using ApproveIt
1/4/2005
Emerson Network Power / 1122 F Street / Lorain, Ohio 44052-2293 / (440) 288-1122
In Canada:
Emerson Electric Canada Limited
122 Edward St. / St. Thomas, Ontario N5P 1Z2 / (519) 637-4900
In Mexico:
Emerson Network Power de Mexico S.A. de C.V.
Apartado Postal 77001 / Mexico 10 D.F., MX 11200 / (525) 576-8277
Page 15 of 15
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Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.