The GE Fanuc IC693PBM200, also cataloged as the IC693PBM200 Profibus Master Module, operates as a dedicated hardware component for deterministic fieldbus communication execution within Series 90-30 Programmable Logic Controller system architectures.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IC693PBM200 |
| Brand | GE Fanuc / Emerson |
| Origin | USA |
| Weight | 0.20 kg (0.44 lbs) |
| Dimensions | Standard Series 90-30 single-slot module |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | 450 mA at 5 VDC (typical) |
| System Architecture | Series 90-30 Baseplate |
| Supported DP Slaves | Up to 125 slaves |
| Input Data Capacity | 244 Bytes per slave |
| Output Data Capacity | 244 Bytes per slave |
| Baud Rates | 9.6K, 19.2K, 93.75K, 187.5K, 500K, 1.5M, 3M, 6M, 12M Baud |
| Interfaces | 1x RS-232 Service Port, 1x RS-485 Profibus Master Port |
| Status Tracking | Slave Status Bit Array, Network/DP Master Diagnostic Counters |
Backplane Bus Communication Velocity & Firmware Integrity
The IC693PBM200 integrates directly into the GE Fanuc Series 90-30 parallel backplane, exchanging cyclic I/O data with the CPU via high-speed backplane bus cycles. To maintain deterministic fieldbus execution across large topology configurations, the module manages dedicated memory buffers accommodating 244 Bytes of input data and 244 Bytes of output data per connected DP slave. Firmware flash compatibility checks ensure seamless handshake synchronization with the host CPU without exceeding the 450 mA backplane power budget at 5 VDC.
Frequently Asked Questions
Q: What is the maximum number of DP slaves supported by the IC693PBM200 module on a single Profibus network?
A: The module supports direct communication with up to 125 Profibus DP slave devices, handling up to 244 Bytes of input and 244 Bytes of output data per individual slave.
Q: How is diagnostic status retrieved from the module during operation?
A: Diagnostic data is monitored via the internal Slave Status Bit Array table, network diagnostic counters, DP master diagnostic counters, and the designated Slave Diagnostic Address mapped into the CPU memory table.
Q: What are the backplane power supply requirements for mounting this module in a Series 90-30 baseplate?
A: The module draws a typical backplane current of 450 mA at 5 VDC from the local baseplate power supply.
Field Installation Guidelines
- Ensure power to the Series 90-30 baseplate is completely disconnected before inserting or removing the IC693PBM200 module to prevent backplane pin damage.
- Align the module circuit board with the baseplate card guide slots and push firmly until the top and bottom retaining clips engage securely.
- Connect the Profibus RS-485 network cable using a standard 9-pin Sub-D connector, maintaining proper bus termination resistors enabled at both physical end-nodes of the segment.
- Ensure the RS-485 cable shield is grounded at the cable entry point using appropriate grounding clamps to mitigate electromagnetic interference in high-noise industrial environments.
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