Grayhill Racks 24 User Manual
RACKS
24 Channel
FEATURES
• For use with System 50 Style Controllers
• Available for Miniature, G5 and
OpenLine® Modules
• UL, CSA Certified
24 CHANNEL RACK: Miniature
Part No. 70MRCQ24
Dimensions are shown in inches
(and millimeters).
Tolerances are ± 0.010 (0,25)
unless otherwise specified.
0.40
(10,2)
+
40 1
1.70
(43,2)
1A FUSE
SOCKETS
FOR
OPTIONAL
1A FUSE
LOGIC SUPPLY
TERMINAL STRIP
–
System 50
8.00 (203,2)
7.50 (190,5)
121110
987654321
13
2423222120191817161514
0.25 (6,4)
FIELD WIRING
TERMINAL STRIP
(POSITIONS 0-11)
NOTE: MAXIMUM
TERMINAL SCREW
TORQUE NOT TO
EXCEED 5 IN-LBS.
2.60
(66,0)
KEY SLOT
PINS 23/25
PIN 1
0
23
W
R
Y
B
AC INPUT
AC OUTPUT
DC INPUT
DC OUTPUT
STATUS LED
50 PIN EDGE CARD OR
HEADER CONNECTOR FOR
LOGIC SIGNALS (SEE SCHEMATIC)
21
22
48
2
1
6.00
5.50
(139,7)
(152,4)
11
3
19
20
6
18
17
8
7
15
16
5
4
10
9
14
12
13
System 50
3738394041424344454647
36
5A
FUSE
MODULE HOLD DOWN
STRIP WITH THUMB SCREWS
2526272829303132333435
FIELD WIRING
TERMINAL STRIPS
(POSITIONS 12-23)
0.25 (6,4)
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
System 50
22
System 50
24 CHANNEL RACK: G5
Part No. 70GRCQ24
Dimensions are shown in inches
(and millimeters).
All tolerances are ± 0.010 (0,25)
unless otherwise specified.
HOLES FOR USER
INSTALLED JUMPER
(22 AWG) COPPER
WIRE
50 PIN STRAIGHT
HEADER CONNECTOR
PIN 1
1.675
(42,55)
7.50 (190,5)
LOGIC SUPPLY
TERMINAL STRIP
.075
(1,91)
7.00 (177,8)
STANDOFF I.D. 0.15 (3,81) DIA.
(4 PLACES) CLEARANCE
FOR #6 SCREW
24 Channel Racks
FIELD WIRING
TERMINAL STRIP
5.75
(146,1)
.25 (6,4)
(158,8)
.25 (6,4)
NOTE: MAXIMUM
TERMINAL SCREW
TORQUE NOT TO
EXCEED 5 IN-LBS.
6.25
System 50
.093 (2,36)
REF.
NYLON STANDOFF
(1 PLACE)
3.380
(85,85)
.750 (19,05) REF.
System 50
23
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
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