Emerson IC694ALG390C RX3i Two-Channel Analog Output Module
A revision-specific two-channel voltage-output module for a documented RX3i control configuration.
Product Profile
IC694ALG390C is the C hardware revision of the IC694ALG390 analog output module. The base IC694ALG390 is a two-channel voltage-output module for the RX3i I/O platform.
Use the installed controller project, terminal wiring and loop documentation to confirm the configured range, scaling and safe-state behavior before replacement. Do not import electrical settings from a similar analog module.
Technical Data
| Manufacturer | Emerson / GE Fanuc |
|---|---|
| Exact Model | IC694ALG390C |
| Product Family | PACSystems RX3i / IC694 I/O |
| Product Type | Analog output module |
| Output Count | Two channels |
| Output Signal Class | Voltage output |
| Hardware Revision | C |
| Configuration Source | PAC Machine Edition hardware configuration |
| Channel Evidence | Configured range, scaling, alarm behavior and engineering units |
| Wiring Evidence | Terminal assignment, commons, shielding and field-device destination |
| Rack Evidence | Backplane, slot and controller identity |
| Replacement Boundary | Do not infer interchangeability with current-output or higher-density analog modules |
System Role
Two analog voltage-output channels in one IC694 module.
C hardware revision retained for traceable replacement.
Channel scaling and field wiring treated as controlled commissioning data.
Conservative specification record avoids importing ranges from a similar analog module.
Compatibility
- Export the hardware configuration and record each channel range, scaling, engineering units and safe-state behavior.
- Photograph the C label, slot, terminal assembly, commons, shields and each field destination.
- Isolate or place receiving equipment in a safe state before removing the voltage-output module.
- After exchange, test zero, mid-scale and full-scale command values with an approved meter and verify the receiving-device response.
Applications
- Two analog control references in an RX3i or supported IC694 rack.
- Speed, position or process-demand outputs where the installed project specifies voltage signaling.
- Like-for-like maintenance of an IC694ALG390C channel pair.
FAQ
Why is the controller project required for an IC694ALG390C quotation?
The project confirms the configured voltage ranges, channel scaling and module position that are not safely inferred from the front label alone.
Can a current-output module replace IC694ALG390C?
Not as a like-for-like exchange. The field receivers, wiring and configuration are designed for voltage outputs.
What should be done before disconnecting IC694ALG390C?
Place both receiving loops in a safe condition and record terminals, commons, shields, polarity and the normal commanded values.
How can wiring be distinguished from an IC694ALG390C channel fault?
Measure the command at the module and receiving device with the loop isolated as required, then check common and shield paths before replacing hardware.
What commissioning evidence is appropriate for IC694ALG390C?
Record commanded and measured values at zero, mid-scale and full-scale, receiving-device response, controller diagnostics and restored interlocks.
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