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PB - 4
MOUNTING BOARD
? Screw terminal barrier block for logic connections
? Screw terminal barrier block for load connections
? Resident pull-up resistors
? 5 amp field-replaceable fuses
(LITTLEFUSE #251005 or equivalent)
? All even-numbered logic connections are
logic ground
? Input and output modules accepted interchangeably
? Operate with 5, 15 or 24 volt logic supplies
? Captive-screw retaining system for standard-size modules
?
LEDs indicate logic status
MECHANICAL SPECIFICATIONS
DIMENSIONS: INCHES (MILLIMETERS)
TOLERANCE: +- 0.020 ( +- 0,50)
POWER BARRIER STRIP
(see notes 1,2)
REPLACEABLE 5 AMP LINE FUSES (4)
(see note 3)
0.25 (6,4)
1
2
3
4
5
6
7
8
9
CRYDOM DIGITAL I/O
MODULES SOLD SEPERATELY
SWAGED STANDOFF
THRU HOLE 0.15 (3,8) DIA.
(4)
PULL UP RESISTOR
3.3K OHM (4)
LED STATUS INDICATORS (4)
1
2
3
4
5
6
7
8
9
0.75 (19,1)
2.2 (55,9)
4.0 (101,6)
4.5 (114,3)
0.25 (6,4)
SIGNAL INPUT/OUTPUT
LOGIC SUPPLY CONNECTED
TO BARRIER STRIP
(+1, -2)
(see note 1)
BARRIER STRIP
(see notes 2,3)
NOTES: 1) 6-32 SCREW TERMINAL BARRIER STRIPS ACCEPT
WIRE SIZES FROM 24 TO 12 AWG.
2) OPTIONAL JUMPERS AVAILABLE TO
INTERCONNECT BARRIER STRIP COMMONS.
ORDER 1 EACH "JS8" AND CUT IN HALF.
3) LITTLE FUSE 251005 OR EQUIVALENT.
UNUSED
POWER
1
2
3
4
5
6
7
8
9
BARRIER
STRIP
REPLACEABLE
5 AMP FUSE
(4)
1
1
1
1
2
2
2
2
I/O MODULE
PIN SOCKETS
LED STATUS
INDICATOR
(4)
3
4
5
3
4
5
3
4
5
3
4
5
PULL UP
RESISTOR
3.3K OHM
(4)
SIGNAL INPUT/OUTPUT
BARRIER STRIP
1
2
3
4
5
6
7
8
9
APPROVALS
UL E79183
CSA 38595
Rev. 0 2041 0
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