26 Discrete I/O Modules
Publication 1746-IN005A-US-P
Relay Contact Output Modules
Table 17:Specifications for Output Modules 1746-OW4, -OW8, -OW16, and -
OX8
Specification
Catalog Number 1746-
OW4
(1)
(1)Certified for Class 1, Division 2 hazardous location by CSA.
OW8
(1)
OW16
(1)(2)
(2)Removable Terminal Block.
OX8
(1)(2)
Number of Outputs 48168
Points per Common 448
Individually
Isolated
Voltage Category ac/dc Relay
Operating
Voltage
5V dc 5 to 125
24V
ac
5 to 265
Backplane
Current
Consumption
5V dc 0.045A 0.085A 0.170A 0.085A
24V
dc
0.045A 0.090A 0.180A 0.090A
Signal Delay (max.).
Resistive Load.
on = 10.0 ms
off = 10.0 ms
Off State Leakage
(max.)
0 mA
Load Current (min.) 10mA at 5V dc
Continuous Current
per Point
(3)
(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.
See relay contact ratings. (Table 18 and Table 19 on
page 27)
Continuous Current
per Module
8.0A ac
8.0A /
Common
16.0A ac
8.0A /
Common
16.0A ac
8.0A /
Common
(4)
(4)The continuous current per module must be limited so the module power does not
exceed 1440 VA.
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