Related Manuals for ABB C150
Summarization of Contents
Electrical Installation and Wiring
Host Computer Serial Communications
Details on RS422/485 driver and isolation for host computers.
Two-wire and Four-wire Connection
Configuration requirements for two-wire or four-wire MODBUS serial links.
Pull-up and Pull-down Resistors
Explains the necessity of resistors to prevent false slave triggering.
Termination Resistor
Discusses the use of a 120Ω resistor for long transmission lines.
Serial Connections Overview
Covers connecting multiple slaves and cable specifications for serial links.
Device Configuration Settings
Accessing Configuration Mode
How to enter configuration mode using a security switch.
Serial Transmission Parameters
Configuring baud rate and parity for MODBUS communication.
Setting MODBUS Address
Assigning unique MODBUS addresses to slave devices.
Understanding the MODBUS Protocol
MODBUS Protocol Introduction
Explains master/slave principle and broadcast address use.
MODBUS Function Codes Explained
Introduces function codes for instructing slave device actions.
Core MODBUS Functions
Read Coil Status (Function Code 01)
Querying ON/OFF status of discrete outputs.
Read Holding Register (Function Code 03)
Reading holding registers in slave devices.
Force Single Coil (Function Code 05)
Setting a single discrete output to ON or OFF.
Preset Single Register (Function Code 06)
Modifying the content of a single holding register.
Loopback Test (Function Code 08)
Testing MODBUS system integrity using function code 08.
Write Multiple Registers (Function Code 16)
Changing multiple holding registers simultaneously.
MODBUS Exception Responses
Exception Response Examples
Examples of exception codes for MODBUS communication errors.
Addressable Parameters and Data Mapping
COMMANDER 100/V100 Coils
Addressable coils for COMMANDER 100/V100.
COMMANDER 100/V100 Registers
Addressable registers for COMMANDER 100/V100 control settings.
COMMANDER 100/V100 Set Points
Addressable parameters for set points in COMMANDER 100/V100.
COMMANDER 100/V100 Alarm Settings
Addressable parameters for alarm settings in COMMANDER 100/V100.
COMMANDER 100/V100 Ramp/Soak
Addressable parameters for Ramp/Soak functionality.
COMMANDER 150/160 Coils
Addressable coils for COMMANDER 150/160.
COMMANDER 150/160 Registers
Addressable registers for COMMANDER 150/160 analog inputs and alarms.
COMMANDER 150/160 Totalizer Settings
Addressable parameters for totalizer settings.
COMMANDER 150/160 Maths Functions
Addressable parameters for maths functions.
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