8121-DI-DC GE
This document contains detailed information and parameters related to the 8121-DI-DC GE product. The 8121-DI-DC is a digital input module with isolated channels that is designed to operate in a GE PACSystems RX3i or RX7i programmable logic controller (PLC) system.
Specifications
- 16 isolated input channels
- Input voltage range: 0 to 30V DC
- Input impedance: 7.5 kOhm
- Response time: 2ms
- Power supply voltage: 24V DC nominal (18-32V DC)
- Power consumption: 1.6W max
Features
- Isolated input channels for noise immunity and safety
- LED indicators for each input channel
- Hot-swappable module for easy replacement
- High-speed input response time for rapid input signal capture
- Compact design for efficient use of space in the control cabinet
Installation
- Ensure power to the PLC system is turned off.
- Insert the 8121-DI-DC module into an available slot on the RX3i or RX7i backplane.
- Secure the module in place using the mounting screws provided.
- Connect the input signals to the appropriate terminals on the module.
- Turn on power to the PLC system.
Parameters
The 8121-DI-DC module requires configuration of the following parameters:
- Input filter time constant
- Input response time
- Input hysteresis
- Input fault detection
Refer to the GE PACSystems RX3i or RX7i user manual for detailed instructions on configuring these parameters.
