NI NICFP-RLY-423 Relay modules for compact fieldpoint Datasheet

Relay Modules for Compact FieldPoint
NEW
NI cFP-RLY-421, NI cFP-RLY-423
• 4 or 8 electromechanical relays
• 8 form A (SPST), RLY-421
• 4 form C (SPDT), RLY-423
• Switch 250 VAC, 120 VDC
• Switch 1.5 A, maximum
• 2,300 Vrms bank isolation for transient
overvoltage protection
• Hot swappable with autoconfiguration
• -40 to 55 °C operating range
(cFP-RLY-421)
• -40 to 60 °C operating range
(cFP-RLY-423)
Module
cFP-RLY-421
cFP-RLY-423
Output Channels
8
4
Maximum
Output Types
120 VDC, 250 VAC
120 VDC, 250 VAC
Output Current Rating
(See Specifications)
1.5 A
1.5 A
Separate Ground
Plane
per Channel
✓
✓
Overview
The National Instruments cFP-RLY-42x devices are versatile relay
modules for Compact FieldPoint that can be used to control digital
signals ranging from low voltage to 120 VDC and to 250 VAC. These
modules are commonly used to control indicator lights, motors, and
power circuits. All the modules include onboard diagnostics to ensure
trouble-free installation and maintenance. Similar relay modules are
available for FieldPoint, see page 572 for more information.
Relay Modules
NI cFP-RLY-42x modules provide built-in module-to-module
isolation to protect your Compact FieldPoint system and controller
from high voltage levels. Each channel on the RLY-42x uses
electrically isolated output relays so that each relay output has a
separate ground plane and each channel can be used with a different
voltage potential. Thus, you can connect one channel to a 24 VDC
and another channel on the same module to a 250 VAC.
All the channels on the relay modules feature LEDs that indicates the
output state of each channel. The modules all feature a maximum
switching frequency of 10 Hz (20 operations). Overall data throughput
depends on software loop speeds and network speeds.
Isolation
The cFP-RLY-42x modules feature optical bank isolation with
2,300 Vrms of breakdown isolation. In addition, the modules provide
double insulation for up to 250 Vrms of operational isolation. Compact
FieldPoint can safely be used in applications where hazardous voltages
are present with the cFP-CB-1 connector block. These Compact
FieldPoint modules do not have channel-to-channel isolation.
Power Requirements
Because the cFP-RLY-42x are high power consumption modules,
they could limit the number of I/O modules that you can connect to
a single network interface module. Controllers and network interface
modules supply up to 9 W to power I/O modules. The RLY-421
requires up to 2.5 W and the RLY-423 requires up to 1.5 W.
Field I/O Connections
Each input channel on the cFP-RLY-421 has two terminals:
1. Relay common terminal (IC)
2. Normally open terminal (NO)
Each channel of the cFP-RLY-423 has three terminals:
1. Normally open terminal (NO)
2. Normally closed terminal (NC)
3. Relay common terminal (IC)
Relay Modules for Compact FieldPoint
V
C
VSUP
NO
Sourcing
Load
Ordering Information
+
or
IC
–
AC
COM
Recommended Compact FieldPoint System Products
To next channel
cFP-RLY-421
V
NI cFP-RLY-421 ..........................................................777318-421
NI cFP-RLY-423 ..........................................................777318-423
C
NO
Load
+
NI cFP-2020 ..............................................................777317-2020
NI cFP-BP-4 ..................................................................778617-04
NI cFP-CB-1 ..................................................................778618-01
NI PS-5 Power Supply ..................................................778805-90
NI Developer Suite Professional Control Edition..........777906-03
IC
–
IC
BUY ONLINE!
NC
Load
Visit ni.com/info and enter cfprly421, and/or cfprly423.
VSUP
COM
cFP-RLY-423
Figure 1. Wiring Schematics for RLY Modules
Specifications
Typical for –40 to 60 °C unless otherwise noted.
Relay Characteristics
Number of channels
cFP-RLY-421 ...............................................
cFP-RLY-423 ...............................................
Relay type
cFP-RLY-421 ...............................................
cFP-RLY-423 ...............................................
Maximum switching capacity (resistive load)
AC ............................................................
DC ............................................................
(cFP-RLY-421) .............................................
(cFP-RLY-423) .............................................
8
4
Indicates on/off state of each contact
10.9 by 10.9 by 9.1 cm (4.3 by 4.3 by 3.6 in.)
136 g (4.8 oz)
156 g (5.5 oz)
Isolation Voltage
SPST, normally open, nonlatching
SPDT, nonlatching
1.5 A at 250 VAC
1.5 A at 0–35 VDC
1.5 A at 40 VDC
1 A at 55 VDC
0.4 A at 120 VDC
10 mA at 5 VDC
(120 VDC/250 VAC)
0.12 µA
8 µA
100 mΩ
Minimum switching load .................................
Off-state leakage current.................................
DC ............................................................
50/60 Hz ....................................................
On resistance (typical)......................................
Expected relay life
Mechanical ................................................ 2 x 107 operations/s (cFP-RLY-421)
1 x 107 operations/s (cFP-RLY-423)
Electrical (at 30 cpm)................................. 300,000 operations at 1.5 A, 35 VDC
100,000 operations at 1.5 A, 250 VAC
Operate time
cFP-RLY-421 ............................................... <10 ms
cFP-RLY-423 ............................................... <10 ms typ, 13 ms max
Release time
cFP-RLY-421 ............................................... <10 ms
cFP-RLY-423 ............................................... 5 ms typ, 7 ms max
Bounce time
cFP-RLY-421 ............................................... 10 ms max
cFP-RLY-423 ............................................... 3 ms typ, 6 ms max
Contact material
cFP-RLY-421 ............................................... Gold-plated silver cadmium oxide
cFP-RLY-423 ............................................... Silver cadmium oxide
Power Requirement (from Network Module)
cFP-RLY-421 ...................................................... 1.95 W
cFP-RLY-423 ...................................................... 1.0 W
Physical Characteristics
LED indicators
Power (green) ............................................ Indicates power is on and self-test passed
Ready (green)............................................. Indicates module is configured and ready
2
<0...7> or <0...3>........................................
Dimensions (including terminal base)..............
Weight
cFP-RLY-421 ...............................................
cFP-RLY-423 ...............................................
Maximum isolation voltage ............................. 250 Vrms, Installation Category II
Channel-to-channel isolation ........................... No isolation between channels
Transient overvoltage....................................... 2,300 Vrms
Environmental
FieldPoint modules are intended for indoor use only. For outdoor use, they must be mounted inside
a sealed enclosure.
Operating temperature..................................... -40 to 60 °C
Storage temperature ........................................ -55 to 85 °C
Relative humidity ............................................. 10 to 90%, noncondensing
Maximum altitude ............................................ 2,000 m; at higher altitudes the isolation voltage ratings
must be lowered.
Pollution Degree............................................... 2
Safety
This product is designed to meet the requirements of the following standards of safety for electrical
equipment for measurement, control, and laboratory use:
• IEC 61010-1, EN 61010-1
• UL 3121-1, UL 61010C-1
• CAN/CSA C22.2 No. 1010.1
For UL, hazardous location, and other safety certifications, refer to the product label or to ni.com
Electromagnetic Compatibility
CE, C-Tick, and FCC Part 15 (Class A) Compliant
Emissions.......................................................... EN 55011 Class A at 10 m
FCC Part 15A above 1 GHz
Immunity........................................................... EN 61326:1997 +A2:2001, Table 1
For EMC compliance, you must operate this device with shielded cabling.
CE Compliance
This product meets the essential requirements of applicable European Directives, as amended for
CE Marking, as follows:
Low-Voltage Directive (safety)......................... 73/23/EEC
Electromagnetic Compatibility
Directive (EMC).......................................... 89/336/EEC
Refer to the Declaration of Conformity (DoC) for this product for any additional regulatory compliance
information. To obtain the DoC for this product, visit ni.com/hardref.nsf/ and search by model number
or product line.
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