Specifications – Rockwell Automation 1738-OW4M12AC ArmorPoint Relay Output Modules, Series A User Manual
Page 10
Publication 1738-IN008A-EN-E - June 2004
10 ArmorPoint Relay Output Modules, Series A
Specifications
Following are specifications for the 1738 ArmorPoint relay output
modules.
Indication
Probable Cause
I/O Status
Off
Output is inactive
Yellow
Output is active and under control
ArmorPoint Relay Output Modules
Outputs per Module
4 Form A isolated (normally open) electromechanical relays
Output Voltage Range
(load dependent)
1738-OW4M12 only - 5-28.8V dc @ 2.0A resistive
1738-OW4M12AC only
5-28.8V dc @ 2.0A resistive
48V dc @ 0.5A resistive
125V dc @ 0.25A resistive
125V ac @ 2.0A resistive
240V ac @ 2.0A resistive
Output Current Rating
(at rated power)
Resistive
1738-OW4M12 only - 2A @ 5-28.8V dc
1738-OW4M12AC only
2A @ 5-28.8V dc
0.5A @ 48V dc
0.25A @ 125V dc
2A @ 125V ac
2A @ 240V ac
Inductive
1738-OW4M12 only - 2.0A steady state @ 5-28.8V dc, L/R = 7ms
1738-OW4M12AC only
2.0A steady state @ 5-28.8V dc, L/R = 7ms
0.5A steady state @ 48V dc, L/R = 7ms
0.25A steady state @ 125V dc, L/R = 7ms
2.0A steady state, 15A make @ 125V ac,
PF = cos q = 0.4
2.0A steady state, 15A make @ 240V ac,
PF = cos q = 0.4
Output Signal Delay OFF to ON
1
, maximum 10 ms (time from valid output on signal to relay energization by module)
Output Delay Time, ON to OFF
1
, maximum 26ms (time from valid output off signal to relay deenergization by module)
Off-state Leakage Current (max at 240v ac) 1.2 mA and bleed resistor through snubber circuit