System 50 RACKS 24 Channel

System 50
RACKS
24 Channel
FEATURES
• For use with System 50 Style Controllers
• Available for Miniature, G5 and
OpenLine® Modules (See p. L-4)
• UL, CSA Certified (see Engineering
Information, p. L-3)
24 CHANNEL RACK: Miniature
Part No. 70MRCQ24
Dimensions are shown in inches
(and millimeters).
Tolerances are ± 0.010 (0,25) 0.40
(10,2)
unless otherwise specified.
8.00 (203,2)
0.25 (6,4)
7.50 (190,5)
FIELD WIRING
TERMINAL STRIP
(POSITIONS 0-11)
LOGIC SUPPLY
TERMINAL STRIP
1A FUSE
–
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
1.70
(43,2)
+
SOCKETS
FOR
OPTIONAL
1A FUSE
40
KEY SLOT
PINS 23/25
6.00
(152,4)
11 12
10 13
9 14
8 15
7 16
6 17
5 18
4 19
3 20
2 21
1 22
0 23
2.60
(66,0)
5.50
(139,7)
PIN 1
1
System 50
50 PIN EDGE CARD OR
HEADER CONNECTOR FOR
LOGIC SIGNALS (SEE SCHEMATIC)
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
Y AC INPUT
B AC OUTPUT
W DC INPUT
R DC OUTPUT
STATUS LED
5A
FUSE
0.25 (6,4)
FIELD WIRING
TERMINAL STRIPS
(POSITIONS 12-23)
MODULE HOLD DOWN
STRIP WITH THUMB SCREWS
STANDOFF I.D.
0.15 (3,8) DIA.
(4 PLACES)
CLEARANCE
FOR #6 SCREWS
2.20 (55,9)
MAX.
0.75
(19,1)
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
L-88
System 50
24 Channel Racks
24 CHANNEL RACK: G5
Part No. 70GRCQ24
Dimensions are shown in inches
(and millimeters).
All tolerances are ± 0.010 (0,25)
unless otherwise specified.
7.50 (190,5)
7.00 (177,8)
LOGIC SUPPLY
TERMINAL STRIP
.25 (6,4)
FIELD WIRING
TERMINAL STRIP
HOLES FOR USER
INSTALLED JUMPER
(22 AWG) COPPER
WIRE
6.25
(158,8)
50 PIN STRAIGHT
HEADER CONNECTOR
5.75
(146,1)
PIN 1
1.675
(42,55)
.075
(1,91)
STANDOFF I.D. 0.15 (3,81) DIA.
(4 PLACES) CLEARANCE
FOR #6 SCREW
.25 (6,4)
3.380
(85,85)
.093 (2,36)
REF.
NYLON STANDOFF
(1 PLACE)
.750 (19,05) REF.
System 50
L-89
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
System 50
SCHEMATIC: PART NO. 70MRCQ24 AND 70GRCQ24
LOGIC SUPPLY
TERMINAL STRIP
+ –
1
2
3
4
5
6
7
8
9 10 11 12
13 14 15 16 17 18 19 20 21 22 23 24
FIELD WIRING
TERMINAL STRIP
1 A FUSE
1
2
3
4
5
OPTIONAL
1A FUSE
5A FUSES
(MINI RACKS ONLY)
0
1
2
3
4
5
6
7
8
9
10
11
MODULE
POSITION
49
47
45
43
41
39
37
35
33
31
29
27
25
LED STATUS
INDICATORS
(MINI RACKS ONLY)
ALL
EVEN
PINS
2-50
PULL UP RESISTOR
NETWORK 3.3 KW
(3 PLACES)
LED STATUS
INDICATORS
(MINI RACKS ONLY)
23
21
19
17
15
13
11
9
7
5
3
1
50 PIN
CONNECTOR
23
5
4
3
2
1
MODULE
POSITION
22
21
20
19
18
17
16
15
14
13
12
5A FUSES
(MINI RACKS ONLY)
48 47 46 45 44 43 42 41 40 39 38 37
36 35 34 33 32 31 30 29 28 27 26 25
System 50
ORDERING INFORMATION
SYSTEM 50 RACKS OVERVIEW
(modules ordered separately)
Part Number
I/O
Description
UL
70MRCQ24-EC
70MRCQ24-HL
70GRCQ24-HL
24
24
24
Card edge
50-pin header with ejector levers
50-pin header with ejector levers
X
X
X
CSA
X
X
X
Style
Mini
Mini
G5
See page L-69.
Available from your local Grayhill Distributor. For prices and discounts, contact a local
Sales Office, an authorized local Distributor, or
Grayhill.
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
L-90