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26
Discrete I/O Modules
Relay Contact Output Modules
Table 17:Specifications for Output Modules 1746-OW4, -OW8, -OW16, and -
OX8
Specification
Number of Outputs
Points per Common
Voltage Category
5V dc
Operating
Voltage
24V
ac
5V dc
Backplane
Current
24V
Consumption
dc
Signal Delay (max.).
Resistive Load.
Off State Leakage
(max.)
Load Current (min.)
Continuous Current
(3)
per Point
Continuous Current
per Module
(1) Certified for Class 1, Division 2 hazardous location by CSA.
(2) Removable Terminal Block.
(3) Recommended surge suppression: For relay contact outputs, refer to the SLC 500
Installation and Operation Manual , publication 1747-6.2. Connecting surge suppressors
across your external inductive load will extend the life of SLC 500 relay contacts.
(4) The continuous current per module must be limited so the module power does not
exceed 1440 VA.
Publication 1746-IN005A-US-P
Catalog Number 1746-
(1)
OW4
OW8
4
4
0.045A
0.085A
0.045A
0.090A
See relay contact ratings. (Table 18 and Table 19 on
8.0A ac
16.0A ac
8.0A /
8.0A /
Common
Common
(1)
(1)(2)
OW16
8
16
4
8
ac/dc Relay
5 to 125
5 to 265
0.170A
0.180A
on = 10.0 ms
off = 10.0 ms
0 mA
10mA at 5V dc
page 27)
16.0A ac
8.0A /
Common
(1)(2)
OX8
8
Individually
Isolated
0.085A
0.090A
(4)
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