User guide

Installation Instructions
Isolated-Circuit
Discrete Input and Output Modules
10
1746sc-OAP8I Specifications
Number of Outputs 8 triac
Points per Common 1
Module Location 1746 I/O chassis
Voltage Category 120/240 Vac @ 50/60 Hz
Operating Voltage 74 to 276 Vac @ 47 to 63 Hz
Output Current Rating Per Point 1.5 A @ 30°C; 1 A @ 60°C
Output Current Rating Per Module 9 A @ 30°C; 4 A @ 60°C
Surge Current (maximum) 25 A per output for 100 ms, repeatable every 1 sec
25 A per module for 100 ms, repeatable every 1 sec
Load Current (minimum) 5 mA per output
On-State Voltage Drop (maximum) 1.0 V @ 1.5 A
Off-State Leakage Current (max.) 1 mA
Signal Delay
Off to On Zero crossing: 8.3 ms @ 60 Hz; 10.0 ms @ 50 Hz
On to Off Zero crossing: 8.3 ms @ 60 Hz; 10.0 ms @ 50 Hz
Power Dissipation (maximum) 9.85 W
➀
Backplane CurrentDraw (max.) 5 V 0.170 A
24 V 0.0 A
➀
Maximum with the module dissipating 9 A (100% duty cycle).
1746sc-OAP8I Operating Voltage Range
0 Vac* 276 Vac*
Operation Not Guaranteed Recommended Operating Range
74 Vac*
* Frequency = 47 to 63 Hz
1746sc-OAP8I Circuit Diagram (one circuit shown)
OUT
VAC
39 Ω
.01 µF