Triconex 4911A Enhanced Intelligent Communication Module
The Model 4119A Enhanced Intelligent Communication Module (EICM) allows the Tricon to communicate with Modbus masters and slaves, TriStation 1131, and printers.For Modbus connections, the EICM user can select the RS-232 point-topoint interface for one master and one slave, or the RS-485 interface for one master and up to 32 slaves. The RS-485 network trunk can be one or two twisted-pair wires up to a maximum of 4,000 feet (1,200 meters).
Model Number
4119A, Isolated
Serial ports 4 ports RS-232, RS-422 or RS-485
Parallel ports 1, Centronics, isolated
Port isolation 500 VDC
Protocol TriStation, Modbus
Modbus functions supported 01 — Read Coil Status
02 — Read Input Status
03 — Read Holding Registers
04 — Read Input Registers
05 — Modify Coil Status
06 — Modify Register Content
07 — Read Exception Status
08 — Loopback Diagnostic Test
15 — Force Multiple Coils
16 — Preset Multiple Registers
Communication speed 1200, 2400, 9600, or 19,200 Baud
Diagnostic Indicators
Pass, FaULT, Active
TX (Transmit) — 1 per port
RX (Receive) — 1 per port
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