Allen Bradley 1746-IA4 SLC I/O Digital Modules

The 1746-IA4 SLC 500 is a 4-Channel 120V AC Digital Input Module. The operating voltage of the 1746-IA4 is 85 - 132V AC. The 1746-IA4 contains 4 inputs and it is made for general purpose application. It has a 47 – 63 Hz operational frequency at 85 – 132V AC operational voltage range. Its backplane current at 5V is 35 mA and only gets 0 mA at 24 Volts. The maximum OFF state input voltage is 30V AC with a nominal input current of 12 mA at 129 V AC. It has a dimension 5" x 2" x 6" (13 cm x 5 cm x 15 cm) and weighs 0.17 kg. It has a 2mA OFF state maximum input current and maximum of 500 micro-seconds inrush current time duration. The signal ON delay is at its max at 35 ms and signal off delay is at max at 45 ms. The module 1746-IA4 has a 0.27 Watts per point with a minimal thermal dissipation of 0.175 watts and 1.3 watts maximum thermal dissipation. The voltage rating of the 1746-IA4 is 100 - 120V AC. It has a 32 – 140 degrees Fahrenheit operating temperature and it has standard features. The controller module has a status display and an open-style enclosure.

Technical specifications for 1746-IA4

ManufacturerRockwell Automation

BrandAllen-Bradley

Part Number/Catalog No.1746-IA4

SeriesSLC 500

Module TypeDigital AC Input Module

Voltage Range85-132 Volts AC

Inputs4

Backplane Current (5 Volts DC)35 milliamps

Signal delay35 or 45 milliseconds

Off State Current2 milliamps

Slots1

I/O Connection1746-HT and 1746-HCA

Step Response100 milliseconds in, 2.5 milliseconds out