Description

The GE Fanuc IC697ALG320 provides four high-precision analog output channels for the Series 90-70 PLC system. This module converts digital data into various voltage and current signals for process control. It occupies a single slot on either 5-slot or 10-slot baseplates. The hardware architecture draws 1.66A at 5VDC from the backplane and requires 150mA from a user supply. Furthermore, each channel allows independent configuration to meet specific application requirements. This unit remains a critical component for large-scale industrial automation tasks.

Performance and Precision

This high-performance module utilizes a 16-bit DAC for extremely fine signal control. It provides a resolution of 312.5 microvolts per LSB for voltage operations. Similarly, current outputs deliver a precise resolution of 0.5 microamps per LSB step. Every module arrives factory calibrated to ensure immediate operational accuracy. Because the calibration data stays in EEPROM, the unit maintains its precision without frequent adjustments. Additionally, the conversion logic updates all four channels rapidly for real-time responsiveness.

Diagnostic and Monitoring Features

The IC697ALG320 includes comprehensive onboard diagnostics to ensure system health. It actively detects overrange and underrange conditions on all active channels. Furthermore, the module monitors for open-wire faults to prevent process errors. Front-panel LEDs provide immediate visual feedback on the module status and health. The configuration software also allows for customized fault reporting and user-defined scaling. These features minimize troubleshooting time in complex industrial environments.

Operational Load Limits

In voltage mode, the module supports resistive loads reaching 2000 ohms. It also manages capacitive loads up to 1000 picofarads without losing stability. Current mode operations support resistive loads up to 700 ohms. Moreover, current channels handle inductive loads up to 250 milliHenry and capacitive loads of 1.0 microfarad. Accuracy remains stable across temperature shifts due to low drift coefficients. This versatility makes the IC697ALG320 suitable for driving diverse actuators and control valves.

Module Specifications

• Manufacturer: GE Fanuc (Series 90-70)
• Model Number: IC697ALG320
• Output Channels: 4 Individually Configurable
• Resolution: 16-bit Digital-to-Analog Conversion
• Voltage Range: ±10VDC
• Current Range: 0-20mA or 4-20mA
• Conversion Rate: 2.0 milliseconds (all channels)
• Backplane Power: 1.66A @ 5VDC (8.3 Watts)
• Storage: Non-volatile EEPROM for calibration data