Configured for analog current and voltage signal processing in GE Series 90-30 PLC platforms, the GE IC693ALG442 (IC693ALG442 Analog Combination Module) provides direct physical/electrical execution. The unit processes 4 differential input channels and 2 single-ended output channels, supporting voltage and current ranges with internal diagnostic feedback.
| Parameter | Specification |
|---|---|
| Model | IC693ALG442 |
| Brand | GE Fanuc Emerson |
| Series | Series 90-30 |
| Product Type | Analog I/O Modules |
| Input Channels | 4 differential |
| Output Channels | 2 single-ended |
| Input Signal Ranges | 0 to 10 VDC, -10 to +10 VDC, 0-20 mA, 4-20 mA, 4-20 mA Enhanced |
| Output Signal Ranges | 0 to 10 VDC, -10 to +10 VDC, 0-20 mA, 4-20 mA |
| Input Resolution | 2.5 mV (0 to 10 V), 5 mV (-10 to +10 V), 5 uA (0-20 mA / 4-20 mA) |
| Output Resolution | 0.625 uA (0-20 mA), 0.5 uA (4-20 mA) |
| Absolute Accuracy | +/- 0.25% at 25 deg C full scale (+/- 0.5% over operating temperature range) |
| Channel Update Rates | Input: 8 ms per channel; Output: 4 ms per channel |
| Input Impedance | 800 K Ohms |
| Power Consumption | 95 mA at +5 VDC internal backplane; 129 mA at external 24 VDC |
| External Power Supply | 20 to 30 VDC (24 VDC nominal, 10% maximum ripple) |
| Field Termination | Front-mounted 20-terminal removable connector block |
| Operating Temp | 0 to +60 deg C |
| Dimensions | Standard Series 90-30 single-slot footprint |
| Weight | 0.43 kg (0.94 lbs) |
| Origin | USA |
The IC693ALG442 module transmits digitized field data across the backplane bus while receiving user-configured scaling parameters from the central processor. Backplane bus communication velocity guarantees dynamic update speeds of 8 ms for input scanning and 4 ms for output command execution. The module transmits performance data, power status, overload open-wire conditions, and out-of-range signal conversions directly to the PLC processor to maintain firmware flash compatibility and scan synchronization.
Q: What power sources are required to operate the IC693ALG442 module?
A: The module draws 95 mA from the internal +5 VDC backplane bus and requires an external user supply of 20 to 30 VDC (24 VDC nominal) drawing 129 mA.
Q: How does the module handle signal inputs that exceed the defined measurement range?
A: If an input signal exceeds its configured operating range, the module converts the value to the nearest valid limit before passing the digitized count to the controller.
Q: What diagnostic monitoring features are available for current loop wiring?
A: The IC693ALG442 includes open-loop fault detection and open-wire detection when configured in current output modes.
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