ABB DDO02 Industrial Digital Output Module

ABB DDO02 Industrial Digital Output Module

The DDO02 digital output module provides up to 16, CH-2-CH isolated transistor type, 24 to 48 VDC output signals. 

The open-collector outputs of the module are capable of sinking or sourcing up to 250 mADC.

The DDO02 module features also include short-circuit detection, status indication and overcurrent protection.

FC 221 (I/O Device Definition) sets DO module operating parameters and each output channel is configured using 

FC 225 (Digital Output CH) to set indivdual output channel parameters such as alarm state setting, default state on loss of communication with controller, etc.

Features and benefits

16 individually CH-2-CH isolated DI channels supporting:

24 to 48 VDC Transistor Type DO signals

Module can sink or source up to 250 mADC I/O current

Short-circuit detection, status indication and overcurrent protection.

Output Status LEDs on module frontplate

Galvanic isolation of 1500 V for up to 1 minute

Technical specifications

Model: DDO02

Number of output channels: 16

Output signal type: 24VDC (can be configured as dry contact / wet contact output)

Single channel output current: 1A

Communication interface: dual RS-485, dual Ethernet interface

Support communication protocols: Modbus RTU, Modbus TCP, PROFINET, EtherNet/IP, etc.

Resolution: 12 bits

Operating temperature range: -40°C to +85°C

Humidity range: 5% to 95% (non-condensing)

Protection rating: IP65

Dimensions: 22cm x 6cm x 35cm

Weight: 2.1kg

Precautions for use

Installation and wiring: When installing, make sure the module is installed in a firm position and avoid violent vibration and impact. Strictly in accordance with the wiring diagram for the power supply and signal line connection, the use of cables that meet the specifications, and do a good job of shielding and grounding to prevent electromagnetic interference affecting signal transmission. For high-power load equipment, it is necessary to confirm that the cable current-carrying capacity to meet the requirements, to avoid overloading caused by potential safety hazards.

Parameter Configuration and Commissioning: Before putting into use, make sure to accurately configure the module parameters through programming software according to the actual application requirements. During the debugging process, gradually check the function of each output channel and observe whether the device action meets expectations. The switching function of the dual-redundant communication interface can be tested by simulating a fault scenario to ensure the reliability of the communication system.

Routine maintenance and care: Clean the module regularly, wipe the surface dust and dirt with a dry and dust-free soft cloth to prevent dust accumulation from affecting heat dissipation and electrical performance. Check whether the connecting cables of the module are damaged or aging, and replace the damaged cables in time. Pay attention to the module status indicator, if there is an abnormal flashing or alarm prompts, you need to consult the fault code manual in time to take the appropriate maintenance measures