Technical Specifications Channel Quantity: 8 independent input channels Supported Signal Type: ‑10V~+10V, 0‑20mA, 4‑20mA, PT100, thermocouple Conversion Resolution: 16‑bit Measurement Accuracy: ±0.1% full scale Module Power Supply: 24VDC Isolation Grade: Channel‑to‑system galvanic isolation Operating Temperature: -20℃ to +70℃ Mounting Type: DIN‑rail rack mounting
Functional Features Supports multi‑type analog signal acquisition. Provides high‑precision analog‑digital conversion. Delivers channel‑level signal isolation to improve anti‑interference performance. Transmits process data to CPU via backplane bus. Implements channel parameter configuration in programming software. Provides built‑in signal filtering function.
Application Scenarios
Distributed temperature monitoring in industrial furnaces, kilns, and motor winding monitoring. Process control signal acquisition in legacy chemical, manufacturing, and water treatment plants. Remote sensing via CS31 bus where high-speed Ethernet is unavailable.
Installation and Usage Notes
Mount on a 35 mm DIN rail or directly via M4 screws in vertical orientation. Connect field wiring to the removable screw terminals (max. 2.5 mm²). Set channel pair configuration via the onboard DIP switches before power-up. Bridge all unused channels to prevent false diagnostics. Configure the module address via DIP switch and integrate with the AC31 controller using Control Builder software.
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