



Product Overview
The ABB Bailey IMDSI13 PTJDC95205 Digital Input Submodule is a high-performance interface designed for use in the INFI 90 distributed control system. It provides reliable acquisition of discrete digital signals from field devices, enabling the DCS to monitor and respond to operational states such as switch positions, sensor status, and alarm conditions.
With rugged construction and precise signal handling, the IMDSI13 ensures continuous, accurate digital input performance in industrial automation applications. Its modular design allows seamless integration into INFI 90 racks, supporting both new installations and legacy system expansions.
Technical Specifications
| Parameter | Specification |
|---|
| Module Type | Digital Input Submodule |
| Model Number | IMDSI13 PTJDC95205 |
| System Compatibility | INFI 90 DCS |
| Input Channels | 16 discrete digital inputs |
| Input Voltage | 24 VDC standard |
| Isolation | Channel-to-channel and channel-to-supply isolation |
| Input Response Time | ≤5 ms |
| Status Indicators | LED per input channel |
| Mounting | INFI 90 rack-mounted |
| Dimensions | 17.8 × 5.1 × 3.8 cm |
| Weight | Approx. 0.35 kg |
| Operating Temperature | 0–60°C |
| Environmental Rating | Industrial-grade operation |
Application Areas
The IMDSI13 submodule is commonly deployed in scenarios requiring reliable discrete signal monitoring:
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Switch and push-button status monitoring
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Limit switches on machinery
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Safety interlock verification
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Valve open/close position monitoring
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Alarm input capture
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Pump and motor status feedback
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General discrete process monitoring
It ensures that the control system receives accurate and timely digital information for automated decision-making.
Technical FAQs
1. What is the primary purpose of IMDSI13?
To acquire discrete digital input signals from field devices for the INFI 90 DCS.
2. How many inputs does it support?
16 digital input channels.
3. What voltage level is required for input signals?
Standard 24 VDC.
4. Is it compatible with legacy INFI 90 systems?
Yes, fully compatible.
5. Can it detect fast-changing signals?
Yes, input response time is ≤5 ms.
6. Does it provide status indicators?
Yes, each channel has an LED indicator.
7. What type of mounting is used?
Rack-mounted within INFI 90 architecture.
8. Is it suitable for industrial environments?
Yes, rated for standard industrial conditions.
9. Can it handle signal noise?
Yes, channel isolation protects against interference.
10. Can multiple modules be installed together?
Yes, modular design allows expansion for higher channel counts.