DSQC327A 3HAC17971-1 Analog Output Module
Product Details Introduction
ABB DSQC327A 3HAC17971-1/05 Analog Output Module (Combination I/O)
DSQC327A (3HAC17971-1/05) is a specialized digital+analog combination I/O module for ABB IRC5 robot controllers. The core provides 2 high-precision analog outputs and integrates 16 digital I/O channels for precise analog control and switch signal processing of robot systems.
Brand and model: ABB DSQC327A, material number 3HAC17971-1/05, IRC5 platform combination I/O module.
Adaptation system: IRC5 full series controller (Compact/Single/M2004), compatible with IRB 120/140/2600/4600/6700/7600 and other robots.
Core function: 2 analog outputs (AO)+16 digital inputs (DI)+16 digital outputs (DO), achieving integrated processing of analog control and switch signals.
Analog output specifications: 2-channel, 4-20mA current type, accuracy ± 0.1% FS, 12 bit resolution, used for controlling valves, motor speed, proportional valves, etc.
Digital I/O specifications: 16 DI (24V DC, compatible with NPN/PNP, maximum 5mA); 16 channels of DO (24V DC, transistor output, maximum 0.5A per channel, response<1ms).
Signal isolation: Electrical isolation between channels (2500V AC), strong anti-interference, ensuring stable industrial environment.
Communication method: IRC5 internal bus, plug and play, automatically recognized by the system, no additional driver required.
Power supply: 24V DC ± 20%, powered by the controller backplane.
Status indication: LED displays the status of operation, communication, and channel faults.
Installation method: IRC5 control cabinet expansion slot direct insertion, supports hot plugging (some models).
Physical parameters: Size approximately 2.2 × 12.4 × 12.6cm, weight approximately 0.1kg, protection level IP20.
Environmental adaptation: working temperature -25 ℃~+60 ℃, storage -40 ℃~+85 ℃, humidity 5%~95% (no condensation).
Diagnostic function: Real time self check, supports reporting and locating faults such as short circuit, open circuit, and overcurrent.
Application scenarios: Robot precision assembly, spraying, welding, handling, and analog quantity adjustment in process control.
Product status: discontinued, a classic spare part for the IRC5 system, mainly for refurbishment/inventory in the market.
This module is characterized by high integration, high-precision analog output, and strong anti-interference, and is a key component for implementing complex analog control in the IRC5 robot system.

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