GE Fanuc IC697VAL318 Isolated 8-Channel 4-20mA Analog Output Board

Product Overview

• The GE Fanuc IC697VAL318 is a high-precision analog output solution for the Series 90-70 PLC.
• It provides 8 independent, fully isolated channels for mission-critical industrial control.
• Each channel converts digital signals into a stabilized 4 to 20 mA current loop.
• The IC697VAL318 ensures superior signal integrity by preventing ground loops in complex electrical environments.

Global PLC Spare HUB's Insight

• Our engineers recommend the IC697VAL318 for applications requiring long-distance signal transmission without EMI degradation.
• The 12-bit resolution provides granular control with 4,096 discrete steps across the output span.
• Robust 1500 Vpk isolation protects the Series 90-70 CPU from field-side voltage surges.
• This board is a vital component for maintaining high-availability process control systems in heavy industry.

Technical Specification Matrix

• Brand: GE Fanuc / Emerson
• Model: IC697VAL318
• Series: Series 90-70
• Module Type: Isolated Analog Output Board
• Channel Count: 8 Independent Channels
• Resolution: 12-Bit (4096 Steps)
• Output Range: 4 to 20 mA Current Loop
• Galvanic Isolation: 1500 Vpk (Channel-to-Bus and Channel-to-Channel)
• Accuracy: 0.08% of full scale at room temperature
• Update Rate: Optimized for high-speed process loops
• Power Consumption: Derived from the VME backplane
• Operating Temp: 0 to 60 degrees Celsius

Installation and Commissioning

• The IC697VAL318 features a front-mounted removable terminal block for simplified field wiring.
• No external cable is required for standard terminal connections, reducing hardware costs.
• The module occupies a single slot in any standard GE Fanuc 90-70 VME rack.
• Hot-swappable terminal blocks allow for maintenance without disturbing individual wire terminations.

Diagnostic Capabilities

• Internal status monitoring tracks the health of the Digital-to-Analog Converters (DAC).
• Software-based readback registers verify the logic values sent to field actuators.
• LED indicators on the front panel provide immediate visual feedback on module power.
• Fault detection logic identifies potential open-loop conditions in the 4-20mA circuits.

Typical Application Scenarios

• Modulating proportional valves and chemical dosing pumps in water treatment.
• Providing reference signals to Variable Frequency Drives (VFD) in material handling.
• Controlling industrial furnace heating elements through SCR power controllers.
• Managing hydraulic actuators in large-scale metal pressing and forging operations.

Logistics & Protection

• Warranty: Guaranteed performance with a 12-month quality warranty.
• Shipping Partners: Worldwide express delivery via FedEx, UPS, and DHL.
• Shipment Speed: Fast dispatch within 24 to 48 hours from our central hub.
• Package Contents: One (1) IC697VAL318 module and integrated terminal block.

Selection Guide & FAQ

• Selection Advice: Use the IC697VAL318 when field devices are located in areas with varying ground potentials.
• Selection Advice: Ensure your external 24VDC power supply is sufficient to drive all 8 current loops.

• Question: What is the benefit of the 1500Vpk isolation on the IC697VAL318?
• Answer: It provides a physical barrier that prevents electrical noise and surges from damaging the PLC backplane.

• Question: Do I need special cables for the IC697VAL318?
• Answer: No, the removable terminal block allows you to wire directly to the module without proprietary connectors.

• Question: Can this module be configured for 0-10V voltage output?
• Answer: This specific model is dedicated to 4-20mA current loops; voltage applications require a different module series.

• Question: Is the IC697VAL318 compatible with RX7i systems?
• Answer: Yes, it can be used in RX7i VME racks, often used for upgrading Series 90-70 installations.

• Question: How granular is the 12-bit resolution for 4-20mA?
• Answer: It offers approximately 3.9 microamps per step, providing high precision for modulating field equipment.

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