16-channel digital input / output data acquisition module. The RS-485 (R-1808) and Ethernet (T-1808) versions provide 16 digital inputs and 16 digital outputs (non-isolated); the CAN version (C-1808) provides 8 isolated digital inputs and 8 isolated open-collector outputs. All faceplates are marked “DI/O 16 ch”.
Specifications
Digital inputs accept contact or level signals
Outputs support safe-time / safe-value settings and per-channel independent control
Masked synchronous output
Series features
32-bit ARM processor with embedded real-time operating system
Single power supply: +10 V to +30 V DC
Isolation: 2500 V DC
Operating temperature: -20 °C to +85 °C
Firmware remote upgrade
Plastic housing, DIN-rail mounting
Four interface versions are available: RS-485 (Modbus RTU and custom ASCII), Ethernet (Modbus TCP), CAN bus, and 4G / NB-IoT. The 4G / NB-IoT version is listed in the manufacturer’s price list; its detailed protocol specifications are not included in the product manual.