GE IC697VAL348

Description

Detailed Parameter Table

GE IC697VAL348

Product Introduction

The GE IC697VAL348 is a high-precision 4-channel analog output module developed by GE Fanuc for its Series 90-70 PLC platform, specifically designed to convert digital control signals from the PLC into continuous analog outputs for regulating industrial equipment. As a key component in process and motion control systems, the GE IC697VAL348 enables precise control of devices such as variable-speed drives, control valves, and proportional actuators—critical for applications where smooth, adjustable operation is required.

Each of the GE IC697VAL348’s four channels is independently configurable to output either 4-20 mA DC (a standard for current-loop control) or 0-10 V DC (common for voltage-based devices), providing flexibility to match diverse field equipment. With 12-bit resolution and ±0.1% full-scale accuracy, the GE IC697VAL348 ensures minimal signal deviation, even in dynamic industrial environments. Its channel-to-channel isolation also prevents electrical interference between outputs, safeguarding signal integrity and reducing the risk of equipment malfunctions caused by cross-talk.

Core Advantages and Technical Highlights

Independent Channel Configuration: Unlike fixed-output analog modules, each channel of the GE IC697VAL348 can be separately set to 4-20 mA or 0-10 V via software (using GE’s Logicmaster 90-70 or CIMPLICITY tools). This eliminates the need to purchase multiple single-type modules, reducing inventory costs and simplifying system design—ideal for projects with mixed analog device requirements (e.g., a single module controlling both a 4-20 mA valve and a 0-10 V drive).

High Precision and Stability: The GE IC697VAL348 delivers 12-bit resolution, translating to fine control increments (e.g., 4 μA steps for 4-20 mA signals) that enable precise adjustment of process variables like flow rate or pressure. Its ±0.1% accuracy (at 25°C) ensures consistent performance over time, while temperature compensation minimizes drift in harsh operating conditions (0°C to 60°C), avoiding the need for frequent recalibration.

Channel Isolation: Each output channel of the GE IC697VAL348 is electrically isolated from the others and the backplane, preventing ground loops and electromagnetic interference (EMI) from affecting signal quality. This is particularly valuable in environments with high electrical noise (e.g., near large motors or power converters), where unisolated modules might produce erratic outputs leading to process instability.

Easy Calibration and Diagnostics: The GE IC697VAL348 supports software-based calibration, eliminating the need for manual potentiometer adjustments and reducing calibration time. It also includes LED status indicators for each channel (power, active, fault) and integrates with the Series 90-70 PLC’s diagnostic system—technicians can quickly identify issues like open circuits or overloaded outputs, minimizing troubleshooting downtime.

Typical Application Scenarios

The GE IC697VAL348 is widely used in process industries where precise analog control is essential. In chemical processing plants, for example, the GE IC697VAL348 connects to a Series 90-70 PLC to regulate control valves for chemical dosing: one channel outputs 4-20 mA to adjust the flow of a reactant, while another outputs 0-10 V to control a temperature-modulating valve. The module’s high accuracy ensures that chemical concentrations and temperatures stay within tight tolerances, preventing product defects and ensuring compliance with safety standards.

In water treatment facilities, the GE IC697VAL348 controls variable-speed pumps (via 4-20 mA signals) to adjust water pressure in distribution lines and chemical feeders (via 0-10 V signals) to maintain optimal pH levels. Its channel isolation protects against electrical noise from pump motors, while its wide operating temperature range withstands the humid, temperature-fluctuating conditions of treatment plants. By enabling precise, independent control of multiple processes, the GE IC697VAL348 helps operators reduce chemical waste and energy consumption.

In manufacturing, the GE IC697VAL348 is used in plastic extrusion lines to control the speed of extruders (via 4-20 mA) and the position of die heads (via 0-10 V), ensuring consistent product thickness. Its stable output signals prevent sudden speed or position changes that could cause material jams or defective products, improving production efficiency and reducing downtime.

GE IC697VAL348

Related Model Recommendations

GE IC697VAL349: A 8-channel analog output module (expanded version of GE IC697VAL348), ideal for large-scale systems requiring more analog outputs (e.g., refineries with multiple control loops).

GE IC697VAI148: A 4-channel analog input module, paired with GE IC697VAL348 to create a complete analog I/O system—VAI148 collects sensor data (e.g., temperature, pressure) while VAL348 sends control signals.

GE IC697BEM721: A Genius Bus Controller Module that communicates with GE IC697VAL348 in distributed systems, enabling the module to be used with remote Series 90-70 PLCs (e.g., in multi-cell manufacturing plants).

GE IC697MEM711: A memory expansion module for Series 90-70 PLCs, providing additional storage for the configuration data of GE IC697VAL348 (critical for systems with multiple analog modules).

GE IC697PWR711: A 5V/24V DC power supply module for Series 90-70 backplanes, ensuring stable power delivery to GE IC697VAL348 and other modules (prevents output signal fluctuations due to voltage drops).

GE IC697IOL131: A 8-channel digital input module, used alongside GE IC697VAL348 to monitor the status of analog devices (e.g., valve position feedback) while VAL348 controls them.

GE IC697CMM742: An Ethernet communication module that connects the Series 90-70 PLC (and GE IC697VAL348) to SCADA systems, enabling remote monitoring of analog output values (e.g., from a central control room).

Installation, Commissioning and Maintenance Instructions

Installation preparation: Before installing GE IC697VAL348, power off the Series 90-70 backplane and wear an ESD wrist strap to prevent electrostatic damage. Verify that the backplane provides 5V DC (for module logic) and prepare a 24V DC external power supply (for output circuits). Inspect the module’s backplane pins and output terminals for bending or corrosion—damaged pins can cause communication failures or short circuits. Align GE IC697VAL348 with the backplane’s guide rails, push until it clicks into place, and secure it with the locking screw to resist vibration.

Maintenance suggestions: Conduct monthly checks of GE IC697VAL348’s LED indicators—steady green per channel means normal operation, while red lights indicate faults (refer to the manual for error codes like overcurrent). Every 6 months, calibrate the module via GE’s programming software to maintain accuracy (especially critical for process control applications). Clean the module’s connectors with a dry, lint-free cloth to remove dust; avoid liquids or abrasives that could damage terminals. If a channel fails, replace GE IC697VAL348 with a genuine GE module—back up the PLC configuration first to retain channel settings.

Service and Guarantee Commitment

The GE IC697VAL348 comes with a 24-month warranty from the purchase date, covering defects in materials and workmanship under normal industrial use. GE’s global technical support team is available 24/7 via email and online portals to assist with installation, calibration, and troubleshooting—critical issues (e.g., module failure causing production downtime) receive a response within 4 hours.

For extended support, GE offers customized service agreements, including on-site calibration, firmware updates, and spare parts management for GE IC697VAL348. All genuine modules undergo rigorous testing to meet IEC 61131-2 (industrial control equipment) and UL 508 (safety standards), ensuring reliability in harsh environments. In warranty claims, GE provides fast replacements or repairs to minimize downtime, reflecting our commitment to product quality and customer success.