Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
System 50
System 50
Part Number I/O Description UL CSA Style
70RCK24 24 Card edge X X Standard
70MRCK24-EC 24 Card edge X X Mini
70MRCK24-HL 24 50-pin header with ejector levers X X Mini
70LRCK24-HL 24 50-pin header with ejector levers X X OpenLine
®
70LRCK24-DIN 24 50-pin header, DIN rail mount X X OpenLine
®
ORDERING INFORMATION
(modules ordered separately)
Available from your local Grayhill Distributor. For
prices and discounts, contact a local Sales Oce,
an authorized local Distributor, or Grayhill.
SCHEMATIC: Part No. 70LRCK24
System 50
21
45 47
46 48
41 43
42 44
37 39
38 40
33 35
34 36
12
34
56
78
910
1112
13
15
17
14
16
18
19
21
23
25
27
29
31
33
20
22
24
26
28
30
32
34
5
6
7
8
9
4
3
2
1
44
46
48
50
36
38
40
42
43
45
47
49
35
37
39
41
31
3230
2927
2826
2523
2422
2119
2018
1715
1614
1311
1210
97
86
53
42
1
FIELD
WIRING
TERMINAL
STRIP
MODULE
LOCATION
PULL-UP RESISTOR
NETWORK 10K OHM
(3 PLACES)
MOUNTING POST
FOR EARTH GROUND
CONNECTION
LOGIC
SUPPLY
TERMINAL
STRIP
–
–
+
+
M0
M1
M2
M3 M4
M5 M6 M7 M8 M9 M10 M11
