Description

ABB PM876 3BDH000607R1 Symphony Plus Controller

Configured for dual-core processing and distributed control execution in ABB Symphony Plus systems, the ABB PM876 3BDH000607R1 (PM876 Symphony Plus Controller) provides direct hardware control and communication functions through Ethernet and fieldbus interfaces.

Hardware Specifications

Parameter	Specification
Model	PM876 3BDH000607R1
Brand	ABB
Product Type	Symphony Plus Controller
Origin	Sweden
Weight	2.86 kg
Dimensions	27.5 x 22 x 13.5 cm
Operating Temp	-40 deg C to +70 deg C
Humidity	5-95% RH, non-condensing
Vibration	10-150 Hz vibration resistance
Processor	Dual-core ARM Cortex processor
Memory	2 GB RAM
I/O Capacity	Supports up to 512 I/O points
Power Supply	24 VDC
Power Consumption	<= 15 W typical
Ethernet Interface	2 x 10/100/1000 Mbps Ethernet ports
Fieldbus Interface	PROFIBUS DP, Modbus TCP/RTU

ABB Industrial Control Communication and I/O Scaling

The PM876 controller integrates Ethernet communication resources and fieldbus interfaces for Symphony Plus automation architectures. In addition, the controller supports I/O capacity expansion up to 512 points, allowing distributed signal processing across connected I/O stations.

The processor architecture uses dual-core ARM technology with 2 GB RAM for application execution, communication handling, and control task management. Furthermore, ABB controller firmware supports industrial network operation through Ethernet-based communication and fieldbus protocols.

The PM876 follows ABB industrial control design principles, including backplane bus communication velocity management, deterministic network handling, and I/O density scaling for modular system configurations.

Frequently Asked Questions

Q: What power supply specification does the ABB PM876 require?
A: The PM876 operates with a 24 VDC power supply and has a typical power consumption of <= 15 W.

Q: Which communication protocols are supported by the PM876 controller?
A: The controller supports Ethernet communication, PROFIBUS DP, and Modbus TCP/RTU interfaces.

Q: How many I/O points can the PM876 manage?
A: The PM876 supports configurations with up to 512 I/O points within the Symphony Plus control system.

Field Installation Guidelines

Install the PM876 in an approved ABB control cabinet with appropriate mechanical support and environmental protection. Verify that the 24 VDC power wiring uses correct polarity and complies with site electrical standards.

Connect Ethernet and fieldbus cables using industrial grounding practices. Keep communication wiring separated from high-current power cables to reduce electrical interference.

Before commissioning, check module seating, network addressing, firmware compatibility, and I/O configuration parameters. Confirm that all field connections match the approved system design documentation.

Specifications

• Brand: ABB

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems