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ABB 3HAC025784-001 DSQC651 I/O Unit for IRC5 Controllers

Product Condition New original or used original. Please confirm the condition with us before ordering.
Shipping Ships from Shanghai, China. Typical delivery lead time 3-5 working days after order confirmation. Secure anti-static packaging for safe international delivery via DHL / FedEx / UPS.
Buyer Benefits Genuine ABB spare part 3HAC025784-001, DSQC651 AD Combi I/O unit for ABB IRC5 controllers.
8 digital inputs + 8 digital outputs + 2 analog outputs (4-20 mA), optically isolated, 24 V DC.
DeviceNet distributed I/O for IRC5; configured in RobotStudio with node address set via DIP switches.
Supplied without connectors; connector set 3HAC026649-001 ordered separately (per ABB data).
Quote-based sourcing with condition confirmed before order.
Item Location Shanghai, China.
Payment PayPal / T/T / Alibaba Trade Assurance.
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DSQC651 Combi I/O Unit for ABB IRC5 Robot Controllers

Specifications

Part Number 3HAC025784-001
Product Type DSQC651 AD Combi I/O unit (Analog-Digital combined I/O).
I/O Configuration 8 digital inputs + 8 digital outputs + 2 analog outputs (4-20 mA), optically isolated.
Communication DeviceNet (distributed I/O device for IRC5).
Power Supply 24 V DC (supplied from the IRC5 cabinet).
Compatible Controllers ABB IRC5 controllers (M2004 and later variants). Configured in RobotStudio; node address set via DIP switches.
Connectors Supplied without connectors; connector set 3HAC026649-001 ordered separately.
Product Net Weight Not confirmed (sources report conflicting values: ~0.36 kg / ~0.27 kg).
Dimensions Not confirmed (sources conflict).
Country of Origin Not confirmed.
Customs Tariff 85389091 (per ABB distributor catalog).
Part Type New.
Frame Size Spare_Parts.
Product Condition New original or used original. Please confirm the condition with us before ordering.

Industrial Applications

The DSQC651 is the AD Combi I/O module for ABB IRC5 robot controllers, providing a combined digital and analog I/O device on the controller's DeviceNet bus. Its 8 digital inputs and 8 digital outputs handle discrete signals such as gripper controls, sensor detection and valve on/off, while the 2 analog outputs (4-20 mA) drive proportional devices like variable-frequency drives, proportional valves and process setpoints. It is used across arc welding, spot welding, material handling and painting cells where both discrete and continuous signals are needed from one module.

Design Purpose

The module consolidates analog and digital I/O into a single DeviceNet node to simplify wiring and save cabinet space. By offering 4-20 mA analog outputs alongside digital I/O, it lets the robot controller command continuous variables to peripheral equipment without a separate analog module, while optical isolation protects the controller bus from electrical noise on the field side.

Safety and Handling Notes
  • IRC5-only: DSQC651 is an IRC5 DeviceNet I/O module and is not interchangeable with the OmniCore I/O family (e.g. DSQC1031 / DSQC1032); confirm the controller generation before ordering.
  • Power down before service: disconnect IRC5 power and apply lockout/tagout (LOTO); only qualified personnel should install or replace the module.
  • ESD protection: the module is electronic; use a grounded wrist strap during handling and insertion.
  • Select the right peer module: DSQC651 (analog+digital) sits alongside DSQC652 (digital only, 3HAC025917-001) and DSQC653 (digital + relay, 3HAC025918-001) — choose by signal type and do not substitute blindly.
  • Reconfigure after replacement: after fitting, reload the I/O configuration in RobotStudio and verify DI/DO point mapping and the DIP-switch node address; otherwise field wiring will not match.
  • Connectors required: the module ships without connectors — order connector set 3HAC026649-001 separately, and confirm the condition with us before ordering.

Common Failure Modes

  • Node-address (DIP switch) conflict causing DeviceNet communication faults.
  • Oxidized or loose connector pins leading to intermittent signal loss.
  • Analog output 4-20 mA load impedance mismatch causing signal deviation.
  • ESD damage or moisture corrosion on the board.
  • Wrong module fitted (e.g. DSQC652/653) so the I/O type does not match the program.
  • I/O mapping not reloaded after replacement, leaving points misassigned.

Why Choose Us

We supply part 3HAC025784-001 and verify the controller generation (IRC5) and I/O requirement (digital/analog) with you before dispatch to help prevent misorders. New or used original condition is available, with quote-based pricing per part number. Modules ship worldwide via DHL / FedEx / UPS in anti-static protective packaging. Send your inquiry for pricing and lead time.

Related Products

Note: DSQC651, DSQC652 and DSQC653 are peer DeviceNet I/O modules for IRC5; select by the signal types your application needs.

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