ST-3214

Overview

GE Fanuc ST-3214 RSTi Analog Input Module provides 4–20 mA analog input capability with 12-bit resolution. It supports diagnostics, stable conversion, and photocoupler isolation for industrial automation systems.

Input Specifications

• Number of inputs: 4 channels, single-ended, non-isolated between channels

• Indicators: 4 green/red states, 1 green/red Fn-Bus state

• Resolution: 12-bit, 3.9 µA/bit

• Input current range: 4–20 mA

• Data format: 16-bit integer (2’s complement)

• Module error: ±0.1% full scale @ 25°C, ±0.3% full scale @ 0°C/60°C

• Input impedance: 1200 Ω

• Conversion time: 4 ms (all channels)

• Calibration: Not required

Diagnostic Functions

• Channel open: <3 mA, data = 0x8000

• Common type: 4 channels / 2 COM (single common)

Power & Isolation

• Power supply: From system power DC/DC

• Power dissipation: ≤165 mA @ 5 VDC

• Isolation: I/O to logic via photocoupler

• Field power: Not connected

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