The Allen Bradley 1756-ON8 ControlLogix® digital I/O module is an input and output module that provides On / Off detection and activation. The 1756-ON8 uses a network of producer and consumer models and it can generate information when needed while providing additional system functionality. The Allen Bradley 1756-ON8 has 8 outputs and 4 points per group. The voltage category of this module is 24V AC with an operating frequency of 50-60 Hz. The operating voltage of this module ranges from 10-30V AC with a current of > 50 mA 47-63Hz. This module has total backplane power of 1.07 W and its maximum power dissipation is 5.1 W at 60 °C (140 °F). The thermal dissipation of this module is 17.39 BTU/hr. Do not disconnect this equipment unless the power has been shut off. Secure the mating external connection with the 1756-ON8 by using screws, shear hooks, threaded connectors, or any other means provided with this product.
The Allen Bradley 1756-ON8 has a relative humidity of 5-95% noncondensing. The operating temperature and the nonoperating temperature ranges of this module are 0-60 °C (32-140 °F) and -40-85 °C (-40-185 °F) respectively and the operating shock and the nonoperating shock of this module are 30 g and 50 g respectively. This module has an open-type enclosure. It should be installed in enclosures designed for certain environmental conditions.
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| Manufacturer | Rockwell Automation |
| Brand | Allen Bradley |
| Part Number/Catalog No. | 1756-ON8 |
| Series | ControlLogix |
| Module Type | Output Module |
| Outputs | 8-Point |
| Voltage | 240 Volts AC |
| Operating Voltage Range | 10-30 Volts AC |
| Maximum Output Current Rating-Point | 2 Amps at 60 degrees Celsius |
| Maximum Output Current Rating-Module | 5 Amps at 30 degrees Celsius, 4 Amps at 60 degrees Celsius |
| Power Dissipation (Max) | 5.1 Watts at 60 degrees Celsius |
| Backplane Current at 5 Volts | 200 milliamps |
| Removeable Terminal Block(s) | 1756-TBNH, 1756-TBSH |
| Isolation Voltage | 50 Volts Continuous |
| Enclosure | None |