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IC693TCM303

IC693TCM303 GE Fanuc 8-In/8-Out Thermocouple RTD

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  • Manufacturer: General Electric

  • Product No.: IC693TCM303

  • Product Type: Temperature Control Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 500g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Düşündiriş

GE Fanuc IC693TCM303 Temperature Control Module

The GE Fanuc IC693TCM303 is a high-precision, 8-channel temperature control module designed for Series 90-30 PLC systems. Supporting direct thermocouple and RTD sensor interfacing alongside 8 dedicated solid-state outputs, it executes closed-loop PID thermal control independent of the main CPU overhead.

Key Advantages

  • Dual Sensor Versatility: Integrates high-impedance thermocouple circuits and 100-Ohm RTD curves onto a single hardware platform.
  • Backplane Safety Isolation: Features 1000 Volts optical isolation from the PLC backplane to prevent ground loop damage to processor lines.
  • Built-In Fault Overload: Protects execution lines with an ultra-fast 700 mA current overload threshold that trips within 2 ms of a field fault.

Technical Specifications

Channel Architecture 8 Inputs / 8 Outputs
Input Type & Ratings Thermocouple (<35 Ω max impedance) / RTD (100 Ω at 0 °C)
Output Voltage Range 18 to 30 Volts DC (100 mA load current per output)
External Power Supply 18 to 36 VDC / 2.5 Amps max inrush current
Internal Draw & Isolation 150 mA at 5 VDC backplane draw / 1000 V galvanic isolation
Mechanical Durability Shock: 15 G for 11 ms (3-axis) / Vibration: 1 G up to 150 Hz
Temperature Envelope Operating: 0 to 55 °C / Storage: -40 to 85 °C

Quick Installation

  • Module Insertion: Insert the module into any standard I/O slot of the Series 90-30 baseplate assembly.
  • Sensor Shielding: Keep thermocouple loop impedance under 35 Ohms and use twisted, shielded cables to mitigate ambient noise.
  • Field Power Loop: Connect an external 24 VDC nominal power source to manage the output transistor blocks, sizing the circuit breaker for a 2.5 A transient inrush.

Technical FAQs

Q1: What happens if an actuator line draws too much current?
A1: The module incorporates a 700 mA typical overload threshold. If current surges beyond this limit, the channel shuts down within 2 ms to prevent internal trace melting.

Q2: Why is the input wire impedance limited to 35 Ohms?
A2: Maintaining a low thermocouple run impedance ensures highly accurate signal conversion and prevents voltage measurement attenuation over distance.

Q3: Does the module draw all its driving power from the PLC baseplate?
A3: No. It only draws a marginal 150 mA from the 5 VDC backplane rail for internal logic. Driving the active field outputs requires an external 18 to 36 VDC power supply loop.

🏷️ Tags: Control Module

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