Discrete I/O Modules 17
Publication 1746-IN005A-US-P
Output Modules - ac
Table 12:Specifications for Output Modules 1746-OA8, -OA16, and -OAP12
Specification
Catalog Number 1746-
OA8 OA16
(1)
(1)Removable Terminal Block.
OAP12
(1)(2)(3)
(4)
(2)A fused common and blown fuse LED are provided on this module. See “Fuse Protection
and Blown Fuse Diagnostics” on page 32.
(3)Use ID Code 2803 when configuring your system with programming software or the HHT.
(4)Certified for Class 1, Division 2 hazardous location by CSA.
Voltage Category 120/240V ac Signal Input
Number of Outputs 81612
Points per Common 486
Operating Voltage 85 to 265V ac at 47 to 63 Hz
Backplane Current
Consumption
5V dc 0.185A 0.370A 0.370A
24V dc 0.0A
Max. Signal Delay, Resistive
Load
(5)
(5)Triac outputs turn on at any point in the ac line cycle, and turn off at ac line zero cross.
on = 1 ms, off = 11.0 ms
Off State Leakage (max.)
(6)
(6)To limit the effects of leakage current through solid state outputs, a loading resistor can
be connected in parallel with your load. For 120V ac operation, use a 15K
Ω,
2W resistor.
For 240V ac operation, use a
15K
Ω
, 5W resistor.
2 mA
Load Current (min.) 10 mA
Continuous Current per
Point
(7)
1.0A at 30°C
0.50A at 60°C
0.50A at 30°C
0.25A at 60°C
2.0A at 30°C
1.25A at 55°C
1.0A at 60°C
Continuous Current
per Module (max.)
8.0A at 30°C
4.0A at 60°C
8.0A at 30°C
4.0A at 60°C
9.0A at 30°C
6.0A at 60°C
On State Voltage Drop (max.) 1.50V at 1.0A
1.50V at
0.50A
1.2V at 2.0A
Surge Current per Point
(8)
(max.)
10.0A for 25
ms
10.0A for 25
ms
17.0A for 25
ms
(9)
Allen-Bradley Spares
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