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
24 CHANNEL RACK: Standard
Part No. 70RCK24
Dimensions are shown in inches (and millimeters).
Tolerances are ± 0.010 (0,25) unless indicated otherwise.
RACKS
24 Channel (In-Line)
FEATURES
For use with System 50 Style Controllers
Available for Standard, Miniature, G5 and
OpenLine® Modules
UL, CSA Certified
System 50
18
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
Y
B
W
R
AC INPUT
AC OUTPUT
DC INPUT
DC OUTPUT
– +
18.75 (476,3)
16.50 (419,1)
5A FUSE
FIELD WIRING
TERMINAL STRIP
STANDOFF I.D.
0.15 (3,8) DIA. (8 PLACES)
CLEARANCE FOR #6 SCREWS
11.00 (279,4)
5.50 (139,7)
50 PIN EDGE CARD OR HEADER CONNECTOR
FOR LOGIC SIGNALS (SEE NOTES)
KEY SLOT
PINS 23/25
2.60 (66,0)
SOCKETS FOR
OPTIONAL 1A FUSE
1A FUSE
LOGIC SUPPLY
TERMINAL STRIP
0.25
(6,4)
2.20 (55,9)
MAX.
0.75
(19,1)
8.08 (205,2)
1.00 (25.4) (2 PLACES)
4.50
(114,3)
4.00
(101,6)
1.12
(28,4)
0.40
(10,2)
NOTE: MAXIMUM
TERMINAL SCREW
TORQUE NOT TO
EXCEED 5 IN-LBS.
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
24 CHANNEL RACK: Miniature
Part No. 70MRCK24
Dimensions are shown in inches (and millimeters).
All tolerances are ± 0.010 (0,25) unless otherwise specified.
24 CHANNEL RACK: OpenLine®
Part No. 70LRCK24
Dimensions are shown in inches (and millimeters).
All tolerances are ± 0.010 (0,25)
unless otherwise specified.
System 50
19
50 PIN EDGE CARD OR
HEADER CONNECTOR
FOR LOGIC SIGNALS
(SEE NOTE)
STANDOFF I.D.
0.15 (3,8) DIA.
(8 PLACES)
CLEARANCE
FOR #6 SCREWS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Y
B
W
R
AC INPUT
AC OUTPUT
DC INPUT
DC OUTPUT
+
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
01234567891011 12 13 14 15 16 17 18 19 20 21 22 23
13.45 (341,6)
12.00 (304,8)
8.00 (203,2)
4.00 (101,6)
FIELD WIRING TERMINAL
STRIPS (3 PLACES)
5A FUSE
0.73 (18,5)
5.42 (137,7)
MODULE HOLD DOWN STRIP
WITH THUMB SCREWS
SOCKETS
FOR OPTIONAL
1A FUSE
1A FUSE
KEY SLOT
PINS 23/25
PIN 1 0.40 (10,2)
2.20 (55,9)
MAX.
0.75 (19,1)
2.60
(66,0)
3.05
(77,5)
3.75
(95,3)
0.35
(8,9)
STATUS
LED
LOGIC
SUPPLY
TERMINAL
STRIP
NOTE: MAXIMUM
TERMINAL SCREW
TORQUE NOT TO
EXCEED 5 IN-LBS.
BA
50
2
149
47
48
45
46
43
44
41
42
39
40
37
38
35
36
33
34
31
32
29
30
27
28
25
26
23
24
21
22
19
20
17
1816
15
14
13
12
11
10
9
8
7
6
5
24
31
+5 +5
REMOVABLE JUMPER
CONNECTS GND
TO EARTH GROUND
7.500
(190,5)
7.000
(177,8)
0.250
(6,3)
50-PIN
STRAIGHT
HEADER
CONNECTOR
PIN 1
4.270
(108,5)
3.800
(96,5)
0.238
(6,0)
FIELD WIRING
TERMINAL STRIP
5A FUSE
STANDOFF I.D. (3,81) DIA.
(4 PLACES) CLEARANCE FOR #6 SCREW
3.383
(85,9)
MAX.
0.750 (19,0)
REF.
LOGIC SUPPLY TERMINAL STRIP
TOP ROW: + LOGIC SUPPLY BOTTOM ROW: GROUND
M0 M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11
NOTE: MAXIMUM
TERMINAL SCREW
TORQUE NOT TO
EXCEED 5 IN-LBS.
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
SCHEMATIC: Part Nos. 70RCK24 and 70MRCK24
24 CHANNEL RACK: OpenLine®DIN Rail Mount for System 50
Part No. 70LRCK24-DIN
Dimensions are shown in
inches (and millimeters).
All tolerances are ± 0.010 (0,25)
unless otherwise specified.
System 50
20
PCB 7.5 (190.50)
PCB
4.3 (108.46)
DIN CARRIER
4.7 (119.13)
2.2
(56.49)
3.8
(95.81)
REF
DIN CARRIER
7.7 (194.56)
REMOVABLE
JUMPER
CONNECTS
GND TO
PLATED HOLE
FOR GROUNDING
5A FUSE
FIELD WIRING
TERMINAL STRIP
PIN 1
50-PIN
STRAIGHT
HEADER
CONNECTOR
LOGIC SUPPLY
TERMINAL STRIP
TOP ROW:
+ LOGIC SUPPLY
BOTTOM ROW: GND
+5 +5
M11M10M9M8M7M6M5M4
BA
M3M2M1M0
50
2
149
47
48
45
46
43
44
41
42
39
40
37
38
35
36
33
34
31
32
29
30
27
28
25
26
23
24
21
22
19
20
17
1816
15
14
13
12
11
10
9
8
7
6
5
24
31
NOTE: MAXIMUM
TERMINAL SCREW
TORQUE NOT TO
EXCEED 5 IN-LBS.
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748
+
49
47
45
43
41
39
37
35
33
31
29
27
25
23
21
19
17
15
13
11
9
7
5
3
1
50
48
46
44
42
40
38
36
34
32
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
1
2
3
4
5
LOGIC SUPPLY
TERMINAL STRIP
O
PTIONAL
1
A FUSE
50 PIN EDGE
CARD OR
HEADER
CONNECTOR
FOR LOGIC
S
I
G
NAL
S
FIELD
WIRING
TERMINA
L
STRIP
1A
5A
MODULE
POSITION
3.3K
4#;*+..X 0%T  IJE +..)418' 8'07'  #4#0)'X ..+01+5 JNIFIgIMMK    *10'U KNLgGIHgENHN  #:U KNLgGIHgFLFN  999T)4#;*+..T%1/
;56'/IN
;56'/IN
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 Oce,
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