PRODUCT INFORMATION
Product Overview
The General Electric IC670ALG330 Field Control Analog Output Module provides eight single-ended current-source channels. Each channel generates an output signal with a nominal range of 0 to 20 mA. The maximum output capability extends up to 20.48 mA. A digital-to-analog converter delivers 16-bit conversion resolution. The digital resolution equals 0.3125 microamps per count. Individual channels update at a typical rate of 1.5 milliseconds.
The IC670ALG330 module requires an external power supply ranging from 18 to 30 VDC. The nominal external supply voltage is 24 VDC with a maximum ripple of 10 percent. The module draws up to 85 mA from the Bus Interface Unit power supply. External current draw reaches a maximum of 250 mA with all eight channels at full output. On-board flash memory stores all factory calibration settings. A single light-emitting diode indicates operational status, faults, and power conditions.
TECHNICAL DATA
Technical Specifications
| Parameter | Specification |
|---|
| Analog resolution | 0.3125 µA per count, maximum resolution |
|---|
| Conversion resolution | 16 bits |
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| Current Drawn from BIU power supply | 85 mA maximum |
|---|
| Current Drawn from external power supply | 250 mA maximum (with all 8 outputs at 20 mA) |
|---|
| Current Range | 0 to 20.48 milliamps |
|---|
| Current draw from Bus Interface Unit (BIU) | 85 mA |
|---|
| Current drawn from external power | 250 mA |
|---|
| Current or Voltage Outputs | Current Outputs |
|---|
| External Power supply | 18 to 30 VDC, 24 VDC typical. 10% maximum ripple |
|---|
| Isolation | 1500 VAC for 1 minute, 250 VAC continuous |
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| Linearity | 1 LSB resolution value |
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| Magnitude data size | 14 bits |
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| No of Channels | Eight (8) Current Source outputs |
|---|
| Nominal supply voltage | 24 VDC |
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| Number of Channels | 8 |
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| Number of LEDs | 1 |
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| Open wire output current threshold | 1.0 mA minimum, 3.5 mA maximum |
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| Output Resolution | 16 Bits |
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| Output load capacitance | 2000 pF, maximum |
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| Output load inductance | 0.5H, maximum |
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| Output signal, nominal | 0-20 mA |
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| Output signal, range | 0.0-20.48 mA |
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| Product Description | 8-Point Analog Current-Source Output Module |
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| Product Lifecycle Status | Discontinued/Obsolete |
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| Product Line | Field Control |
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| Resolution | 16 bits, typical |
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| Signal Type | Analog |
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| Supply Voltage range | 18-30 VDC |
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| Update time | 1.5mS typical |
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| Weight | 1.50 lbs (0.68 kg) |
|---|
| Wiring configuration | Single-ended |
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TECHNICAL INFORMATION
Features
- Eight single-ended current-source analog output channels.
- Nominal 0 to 20 mA output range scalable up to 20.48 mA.
- Sixteen-bit digital-to-analog converter resolution offering 0.3125 microamps per count.
- Fast channel update time of 1.5 milliseconds typical.
- Configurable hold-last-state mode during backplane power loss or watchdog timeout.
- Integrated diagnostics for under-range, over-range, and open wire conditions.
- Non-volatile flash memory for factory calibration retention.
- Single diagnostic LED for operational and fault status monitoring.
TECHNICAL INFORMATION
Applications
- Field Control distributed I/O systems operating with a Bus Interface Unit.
- Driving analog current-loop actuators and instrumentation.
TECHNICAL INFORMATION
Connections / Interfaces
- Backplane interface connection to a Field Control Bus Interface Unit.
- Single-ended field wiring connections for eight analog current channels.
- External direct-current power supply terminals for 18 to 30 VDC.
TECHNICAL INFORMATION
Installation Guidelines
- Mount the module onto the Field Control base connected to the BIU.
- Supply external direct-current power between 18 and 30 VDC.
- Maintain ambient operating temperatures between 0 and 55 degrees Celsius.
- Keep load inductance below 0.5 Henry per channel.
- Limit external load capacitance to 2000 pF maximum per output.
TECHNICAL INFORMATION
Configuration Guidelines
- Scale output levels and engineering parameters independently for each channel.
- Configure hold-last-state behavior for communication loss or watchdog events.
- Held values reduce from 16-bit to 14-bit resolution during backplane power loss.
TECHNICAL INFORMATION
Compatibility
- Field Control Bus Interface Units (BIU).
TECHNICAL INFORMATION
Lifecycle / Replacement Information
- The IC670ALG330 module is discontinued and obsolete by the original manufacturer.
COMPATIBILITY
Compatibility & Replacement
COMPATIBLE MODELSField Control Bus Interface Units (BIU).
Verify compatibility against the exact Part Number, revision and manufacturer documentation before ordering.
PART VERIFICATION
Before You Order
Industrial automation parts can share similar model names, suffixes and revisions. Confirm the complete manufacturer Part Number before purchase.
01Check Part NumberMatch the complete ordering code on the existing unit.
02Confirm RevisionCheck suffix, hardware or firmware when applicable.
03Send a Label PhotoWe can review a clear label photo when identification is uncertain.
ORDERING PROCESS
From RFQ to Dispatch
1Submit Part Number2Verify Product Identity3Confirm Stock & Condition4Issue Quotation5Dispatch & Tracking
PRODUCT FAQ
Frequently Asked Questions
What is the primary function of the IC670ALG330 module?
The IC670ALG330 converts digital data from a Bus Interface Unit into eight analog current outputs.
What happens to the outputs if backplane power is lost?
The module can hold its last state, but output resolution drops from 16 to 14 bits.
What are the power requirements for the IC670ALG330?
It requires 85 mA from the BIU and up to 250 mA from an external 24 VDC source.
What is the market reference price for the IC670ALG330?
Observed pricing ranges from $999 to $1,365 as indicative market reference pricing only, not a final quotation.
