Description
Hard-Numbers: Technical Specifications
- Protocol Support: PROFIBUS DP V0/V1 (Class 1 Master), IONet 10/100 Mbps
- Port Count: 2× RJ45 IONet, 1× DE-9 (D-sub 9-pin) PROFIBUS RS-485
- Data Rate: 100 Mbps (IONet); 9.6 kbps – 12 Mbps (PROFIBUS, auto-sensing)
- Max Slaves: Up to 125 PROFIBUS DP slaves
- Isolation Rating: 2500 VAC RMS field‑to‑backplane
- Power Requirements: 28 VDC nominal (27.4–28.6 VDC), 0.18 A max
- Operating Temperature: -20°C to +55°C (-4°F to 131°F)
- Processor: 32‑bit BPPB RISC, 8MB SDRAM, 16MB Flash
- Hazardous Rating: Class I Div 2, Zone 2, ATEX/IECEx, UL E207685
- Dimensions: 110 × 60 × 67 mm
- Weight: 0.14 kg
- Accessory Board: IS200SPIDG1A (Terminal ID Board)
IS220PAICH2A
The Real-World Problem It Solves
Legacy power plant and turbine systems use PROFIBUS DP devices that can’t natively communicate with Mark VIe’s IONet. Generic gateways cause latency, poor diagnostics, and no redundancy.
Where you’ll typically find it:
- Gas/steam turbine control with PROFIBUS VFD drives
- Power generation auxiliary systems with fieldbus transmitters
- Hazardous location (Zone 2) retrofits connecting Mark VIe to PROFIBUS I/O
Bottom line: delivers isolated, redundant, ATEX-certified PROFIBUS DP master bridging for Mark VIe.
Hardware Architecture & Under-the-Hood Logic
uses a dedicated BPPB processor and Hilscher COM‑C ASIC. Full galvanic isolation separates fieldbus from the control backplane.
- Receives control data from Mark VIe over redundant IONet links.
- BPPB processor maps I/O tables to PROFIBUS DP data frames.
- Hilscher COM‑C manages physical layer and master polling logic.
- Isolation barriers block ground loops and transient voltage spikes.
- Polls up to 125 slaves; handles input/output data exchanges.
- Converts slave responses back to IONet packets for the controller.
- Runs continuous bus diagnostics and reports faults via front LEDs.
IS220PAICH2A
Field Service Pitfalls: What Rookies Get Wrong
PROFIBUS Termination MisconfigurationTechs enable the on-board terminator when not at the bus end. Signal reflections cause random bus errors.
- Field Rule: Set DIP switch to ON only if module is the physical end of the PROFIBUS segment.
Baud Rate MismatchSetting gateway speed different from slaves locks the bus. FAULT LED flashes rapidly with no communication.
- Quick Fix: Verify all devices use identical baud rate (standard: 1.5 Mbps or 12 Mbps). Match in Toolbox.
Shield Ground LoopsPROFIBUS cable shield grounded at both ends creates circulating noise currents. Data corruption and frequent bus resets occur.
- Field Rule: Ground shield only at the control cabinet; leave field device ends ungrounded.
Hot-Swap Without PrecautionRemoving the module while PROFIBUS is active crashes the entire bus. All slaves go offline unexpectedly.
- Quick Fix: Disable the bus in Toolbox or power down the chassis before removing .
Commercial Availability & Pricing Note
Please note: The listed price is for reference only and is not binding. Final pricing and terms are subject to negotiation based on current market conditions and availability.
