Product Discription
The Allen-Bradley 1756-OB16IEF is a ControlLogix DC digitally-isolated, fast peer-control output module. The module is electronically fused and protected on a per-point basis, and has 16 individually isolated outputs. The 1756-OB16IEF module responds to commands for system transition in less than 25µS. It also has status indicators to show diagnostic and I/O statuses. A removable terminal block housing, or RTB, is needed before installing the module to the chassis. The only compatible RTBs are the 1756-TBS6H and the 1756-TBCH.
This module has a fault-reporting feature and it has an additional feature that allows the definition of the time duration before the module transitions from on to off after an error happens. The 1756-OB16IEF module is a CIP Sync slave-only device and it uses the CIP Sync for timestamps and scheduling. As such, another module is needed to act as the master clock of the network. Other features of the 1756-OB16IEF module include configurable point-level output states, output data echo, isolated and non-isolated varieties of output modules, multiple output point densities, electronic fusing, and a diagnostic information latch.
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