BACHMANN DPM200 PROFIBUS DP Module
The BACHMANN DPM200, also cataloged as the DPM200 PROFIBUS DP Module, operates as a dedicated hardware component for deterministic fieldbus data exchange within Bachmann M1 Automation System platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DPM200 |
| Brand | BACHMANN |
| Origin | Austria |
| Weight | 0.25 kg |
| Dimensions | 110 mm x 22 mm x 118 mm (approx.) |
| Operating Temp | -30 deg C to +60 deg C |
| Power Consumption | 400 mA at 5 VDC via backplane bus |
| Operating Modes | DP Master, DP Slave, combined Master/Slave |
| Max Modules per CPU | Up to 3 DPM200 modules |
| Slave Capacity | 32 without repeater, up to 125 with repeater |
| Baud Rate Range | 9.6 Kbaud to 12 Mbaud |
| Physical Interface | 2x 9-pin D-sub connectors (EN 50170 standard, RS485) |
| Isolation | 500 V galvanic isolation between fieldbus and controller |
| Memory Capacity | 8 kB shared process image memory, up to 732 bytes per slave |
Deterministic Network Scaling & Firmware Synchronization
The module routes high-speed cyclically updating field data directly through the backplane bus communication velocity Licences layer, enabling real-time logic execution without system bottlenecks. Configurable hardware consistency locks preserve data block alignment during multi-byte transfers between distributed field devices and the host CPU memory. High-density I/O density scaling allows control architectures to expand up to 125 slaves per master controller using external RS485 repeaters. Engineers execute online updates directly via the Bachmann SolutionCenter environment to maintain full firmware flash compatibility across backplane processing nodes.
Frequently Asked Questions
Q: How does the module handle memory allocation for high-density field data?
A: The hardware incorporates an 8 kB shared process image memory architecture that supports data exchanges up to 732 bytes per individual slave device.
Q: What power draw does the module impose on the M1 backplane bus?
A: The card draws a nominal current of 400 mA from the internal 5 VDC logic supply rails of the controller backplane.
Q: Can multiple DPM200 modules reside within a single M1 system configuration?
A: A single Bachmann M1 controller platform supports simultaneous operation for up to 3 DPM200 master/slave expansion units.
Field Installation Guidelines
Mount the module into an assigned backplane slot of the Bachmann M1 rack, ensuring complete mechanical lock engagement prior to applying system power. De-energize the host cabinet power supply before inserting or extracting the module to protect internal edge connector pins. Fasten standard 9-pin D-sub connectors firmly to the front panel interface ports using integrated locking screws to ensure continuous ground contact along the RS485 shield plane. Maintain strict separation between high-voltage power cables and fieldbus signal lines, using grounded metal conduit when routing fieldbus cables across long physical runs.
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