GE IS230SNTCH4A

Product Introduction:
The IS230SNTCH4A is a four-port serial communication module for GE Mark VIe control systems. It provides four independent RS-232/RS-485 serial ports for connecting multiple legacy devices, RTUs, modems, and third-party equipment simultaneously. Each port is independently configurable for protocol, baud rate, and data format.

Category:
Description

Technical Specifications:

Parameter Value
Number of Ports 4 Ports (RS-232/RS-485 configurable per port)
Baud Rate 300 to 115200 bps (Per-port configurable)
Data Bits 7 or 8 Bits (Per-port configurable)
Parity None, Even, Odd (Per-port configurable)
Stop Bits 1 or 2 Bits (Per-port configurable)
Protocol Support Modbus RTU Master/Slave, DF1 Slave, GE SRTP (Per port)
Connector DB-9 (RS-232), Screw Terminal (RS-485) per port
Max Cable Length (RS-485) 1200 meters (3937 feet) per port
LED Indicators Power, TX, RX, Error (x4 = 16 LEDs total)
Operating Temperature 0°C to 55°C (32°F to 131°F)
Power Supply +5V DC from Mark VIe Backplane
Dimensions Approximately 155 mm × 25 mm × 120 mm
Weight Approximately 0.30 kg
Certifications UL 61010-1, CE, FCC Part 15, IEC 61000-6-2, IEC 61000-6-4

Functional Features:

  • Four independent serial ports — each fully configurable
  • Per-port Modbus RTU Master/Slave configuration
  • Per-port DF1 Slave for Allen-Bradley integration
  • Per-port GE SRTP support
  • Hardware flow control (RTS/CTS) on all ports
  • Independent baud rate, data format, parity per port
  • 16 LED indicators (4 per port: Power, TX, RX, Error)
  • Embedded diagnostics with per-port error counters

Structural Features:

  • 4 DB-9 connectors (RS-232) or 4 terminal blocks (RS-485) on front panel
  • 16 LED status indicators arranged in 4 groups of 4
  • Hot-swappable from Mark VIe backplane
  • Standard IS230 module form factor
  • Conformal-coated PCB

Applicable Industries:

  • Power Plants (Multiple RTU Connections)
  • Water Treatment (Multi-site SCADA)
  • Oil & Gas (Multiple Field Device Gates)
  • Chemical Plants (Multi-PLC Integration)

Installation Requirements:

  • Install in Mark VIe or Mark V chassis with available slot
  • Connect serial cables to each port (null-modem for RS-232, twisted-pair for RS-485)
  • Configure each port independently via Mark VIe ToolboxST
  • For RS-485 ports: install 120-ohm termination at both ends of each bus

Usage Precautions:

  • Each RS-485 port is an independent bus — do not daisy-chain between ports
  • Maximum per-port RS-485 distance: 1200 meters at 9600 bps
  • Use shielded cable for all RS-485 connections
  • Do not exceed 115200 bps on any port
  • Ambient temperature must remain below 55°C
  • Total module power draw: approximately 6W — verify backplane budget
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