Rockwell Automation 1738-OW4M12AC ArmorPoint Relay Output Modules, Series A - Manual (Page 11)

Publication 1738-IN008A-EN-E - June 2004
ArmorPoint Relay Output Modules, Series A 11
ArmorPoint Relay Output Modules (continued)
Power Rating (steady state) 1738-OW4M12 only
60W max. for 28.8V dc resistive output
60VA max. for 28.8V dc inductive output
1738-OW4M12AC only
60W max. for 28.8V dc resistive output
60VA max. for 28.8V dc inductive output
250W max. for 125V ac resistive output
480W max. for 240V ac resistive output
24W max. for 48V dc resistive output
31W max. for 125V dc resistive output
250VA max. for 125V ac inductive output
480VA max. for 240V ac inductive output
24VA max. for 48V dc inductive output
31VA max. for 125V dc inductive output
Initial Contact Resistance 30 mW
Switching Frequency, Maximum 1 operation/3s (0.3Hz at rated load)
Operate/Release Time, Maximum 10 ms
Bounce Time 1.2 ms (mean)
Minimum Contact Load 100
µA at 100mV dc
Expected Life of Electrical Contacts Minimum 100,000 operations @ rated loads
Fusing Module outputs are not fused. If fusing is desired, you must supply external fusing.
Keyswitch Position 7
General Specifications
LED Indicators
4 yellow output status, logic side
1 green/red network status, logic side
1 green/red module status, logic side
PointBus Current, Maximum 90 mA @ 5V dc
Power Dissipation, Maximum 0.5 W @ 28.8V dc
Thermal Dissipation, Maximum 1.7 BTU/hr. @ 28.8V dc
Isolation Voltage
Between any 2 sets of contacts
Customer load to logic
Tested to withstand 2550V dc for 60s.
Tested to withstand 2550V dc for 60s.
Field Power Bus
Supply Voltage
Voltage Range, Maximum
Supply Current
None required
1738-OW4M12 only
5-28.8V dc
1738-OW4M12AC only
5-28.8V dc, 48V dc, 125V dc, 125V ac, 240V ac
2A per channel maximum, 8A per module
Dimensions Inches (Metric) 1.25H x 2.63W x 4.25D (31.75H x 66.80W x 107.95D)
Operating Temperature IEC 60068-2-1 (Test Ad, Operating Cold),
IEC 60068-2-2 (Test Bd, Operating Dry Heat),
IEC 60068-2-14 (Test Nb, Operating Thermal Shock):
-20 to 60°C (-4 to 140°F)
Storage Temperature IEC 60068-2-1 (Test Ab, Un-packaged Non-operating Cold),
IEC 60068-2-2 (Test Bb, Un-packaged Non-operating Dry Heat),
-40 to 85°C (-40 to 185°F)
Relative Humidity IEC 60068-2-30 (Test Db, Un-packaged Non-operating Damp Heat):
5-95% non-condensing