The Acromag IP409 are Differential Data Transmission I/O Modules.
All channels are programmable as inputs and outputs. Each channel uses a rugged EIA RS-485/422A transceiver that supports bi directional data transfer of data in one direction at a time (half duplex). Differential data transmission is high speed and nullifies the effects of ground shifts and noise signals which appear as common mode voltages on the line.
Features of the Differential Data Transmission I/O Modules IP409 include:
- 24 digital input and/or output channels
- Output channels support readback monitoring
- Socketed termination resistors
- Ruggedised RS-422A/485 transceivers
- Interrupt support on all channels
- Change-of-state High or low level transition
- Positive and negative current limiting
- Parallel I/O for up to 24 bits
- 0 to 70°C (IP409) or -40 to 85°C (IP409E)
- All channels programmable as inputs or outputs.
- Differential data transmission is ideal for high-speed, long distance communication in noisy environments.
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