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FAQs
Q1: What is the primary function of the ILX56-PBM?
It is a PROFIBUS DPV1 Master/Multi-Slave communication module that allows Rockwell Automation ControlLogix processors to communicate with various PLCs and devices using the PROFIBUS DP protocol. It acts as an I/O module on the ControlLogix backplane, making PROFIBUS data appear as standard I/O data to the processor.
Q2: What operation modes does the ILX56-PBM support?
The module supports three modes: Standalone Master (standard PROFIBUS DP Master), Redundant Master (DP Master Redundancy support), and Slave (emulating up to 10 individual PROFIBUS DP nodes) . The mode is selected during configuration using the PLX50 Configuration Utility.
Q3: How much I/O data can the ILX56-PBM transfer in Master mode?
As a PROFIBUS DP Master, the module can transfer up to 5000 bytes of cyclic I/O data with various slave devices on the network. Each slave can have up to 244 bytes of input and output data.
Q4: Does the ILX56-PBM support DPV1 services?
Yes. The module supports PROFIBUS DPV1 protocol, including Class 1 Read/Write, Class 1 Alarms, and Class 2 Start/Read/Write/Abort services. This enables acyclic communication with intelligent field devices for configuration, calibration, and diagnostics.
Q5: What software is required to configure and program the ILX56-PBM?
The module is configured using ProSoft Configuration Builder (PCB) or the PLX50 Configuration Utility . For RSLogix 5000 / Studio 5000 integration, a custom Add-On Profile (AOP) and Add-On Instructions (AOI) are provided to minimize configuration time and simplify data transfer between the module and the processor.
