Power* Power Consumption 3 W @ 24 VDC (not including I/O modules) Power Input Unregulated 10 ~ 30 VDC
General Mounting* DIN-rail, wall, rack (with mounting kit) Certifications* CE, FM Dimensions (W x H x D)* 231 x 110 x 75 mm Enclosure* ABS+PC Connectors 1 x DB9-M/DB9-F/screw terminal for RS-485 (communication), 1 x DB9-F for RS-232 (configuration), 1 x Screw-terminal for power input
Communications Protocols* ASCII command/response protocol, Modbus/RTU Communication* RS-485: 1.2 km (4000 feet) Max. Nodes* 128 (in RS-485 daisy-chain network) Data Format* Asynchronous. 1 start bit, 8 data bits, 1 stop bit, no parity Network Protocols* Programming link: RS-232 (3-wire: TX, RX, GND), Communication: RS-485 (2-wire) Reliability Check* Communication error checking with checksum Speeds (kbps)* 1.2, 2.4, 4.8, 9.6, 19.2, 38.4, 57.6, and 115.2
Protection* Power Reversal Yes Communication Line Isolation 2,500 VDC I/O Module Isolation 3,000 VDC Transient Protection RS-485 communication lines, power input
Control System* CPU 16-bit 80188 microprocessor LED Indicators Power, CPU, communications Watchdog Timer 1.6 sec. (System) I/O Slots 4
Environment Operating Temperature -10 ~ 70°C Storage Temperature -25 ~ 85°C Humidity* 5 ~ 95%, non-condensing