System 50
RACKS
4 Channel
FEATURES
• Use for Isolating and Coverting Signal Types to
Standard Logic Voltages
• Terminal Block Connection for Input and Output
• Available for Standard and G5 I/O Modules
• Panel and DIN Rail Mount Versions
• UL, CSA Certified
4 CHANNEL RACK: Standard
Part No. 70RCK4
Dimensions are shown in inches
(and millimeters).
All tolerances are ± 0.010 (0,25)
unless otherwise specified.
STANDOFF
I.D. 0.15 (
3,8),DIA.
(4 PLACES)
CLEARANCE FOR #6
SCREW
MODULE
SHOWN
FOR
REFERENCE ONLY
STATUS
LED
1
2
3
4
5
6
7
8
9
9 POSITION TERMINAL
STRIP
FOR GROUND
AND LOGIC
SIGNALS
Y
AC INPUT
B AC OUTPUT
3.3K
RESISTOR
W DC INPUT
R
DC OUTPUT
3.00
(76,2)
3.50
(88,9)
NOTE: MAXIMUM
TERMINAL
SCREW
TORQUE NOT TO
EXCEED 5 IN-LBS.
5 AMP FUSE
9
8
7
6
5
4
3
2
1
TERMINAL
STRIP
FOR
FIELD WIRING
0.25 (6,4)
4.00 (101,6)
4.50 (114,3)
0.25 (6,4)
2.20 (55,9)
MAX.
0.75 (19,1)
4 CHANNEL RACK: G5
Part No. 70GRCK4
Dimensions are shown in inches
(and millimeters).
All tolerances are ± 0.010 (0,25)
unless otherwise specified.
System 50
3.25
(82,55)
.25
(6,35)
2
1
2.75 (69,85)
3.36
5,34)
.75
(19,05)
4.00
(101,6)
SWAGED
STANDOFF
THRU HOLE
.15 (3,81) DIA.
(4 PLACES)
(CLEARANCE
FOR #6
SCREW)
9 POSITION
TERMINAL
STRIP
FOR
CONTROL
LOGIC
DIN-RAIL CARRIER
1
2
3
4
5
6
7
8
Panel Mount
DIN-Rail
Mount
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
9
9
8
7
6
5
4
3
9 POSITION
TERMINAL
STRIP
FOR
FIELD WIRING
B AC OUTPUT
R DC OUTPUT
Y AC INTPUT
W DC INTPUT
.76 (19,30)
4.27
(108,46)
2.75
(69,85)
4.70
(119,38)
NOTE: MAXIMUM TERMINAL
SCREW
TORQUE NOT TO
EXCEED 5 IN-LBS.
System 50
4
System 50
SCHEMATICS: Part No. 70RCK4
70RCK4 For Negative True Logic Only
1
2
3
4
5
6
7
8
9
70RCK4R For Negative or Positive True
Logic
FIELD WIRING
TERMINAL STRIP
1
2
3
4
5
6
7
8
9
FIELD WIRING
TERMINAL STRIP
N/C
FUSE
5A
0
1
2
3
N/C
1
2
3
4
5
FUSE
5A
0
1
2
3
MODULE
POSITION
3.3K
1
2
3
4
5
MODULE
POSITION
3.3K
TERMINAL STRIP
FOR LOGIC AND
GROUND SIGNALS
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
TERMINAL STRIP
FOR LOGIC AND
GROUND SIGNALS
LOGIC
LOGIC
LOGIC
LOGIC
GND
GND
GND
+VCC
GND
LOGIC
LOGIC
LOGIC
SCHEMATICS: Part No. 70GRCK4
70GRCK4 and 70GRCK4-DIN For Negative True Logic Only
NC
70GRCK4R and 70GRCK4R-DIN For Negative
or Postive True Logic
NC
1
2
3
4
5
6
7
8
9
BARRIER STRIP
FOR FIELD WIRING
OF MODULE
1
2
3
4
5
1
2
3
4
5
6
7
8
9
BARRIER STRIP
FOR FIELD WIRING
OF MODULE
INPUT/OUTPUT
1
2
3
4
5
0
1
2
3
MODULE
LOCATION
LOGIC
3
MODULE
LOCATION
CONTROL
BARRIER
STRIP
9
GND
+VCC
+VCC
+VCC
0
1
2
PULL-UP
RESISTOR
3.3 KΩ
CONTROL
BARRIER
STRIP
1
2
3
4
5
6
7
8
9
PULL-UP
RESISTOR
3.3 KΩ
1
2
3
4
5
6
7
8
LOGIC
LOGIC
LOGIC
LOGIC
GND
GND
GND
+VCC
GND
GROUND
LOGIC
LOGIC
LOGIC
ORDERING INFORMATION
Part Number
70RCK4
70RCK4R
70GRCK4
70GRCK4R
70GRCK4-DIN
70GRCK4R-DIN
I/O
4
4
4
4
4
4
(modules ordered separately)
UL
X
X
X
X
X
X
CSA
X
X
X
X
X
X
Style
Standard
Standard
G5
G5
G5
G5
.
Available from your local Grayhill Distribu-
tor.
For prices and discounts, contact a local
Sales Office, an authorized local Distributor, or
Grayhill.
Description
Negative true logic
Positive or negative true logic*
Negative true logic
Positive or negative true logic*
Negative true logic–DIN
rail mount
Positive or negative true logic*–
DIN rail mount
*Note: Positive True Logic applies to output modules only.
System 50
5
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
LOGIC
+VCC
+VCC
+VCC
+VCC
+VCC
System 50
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