Description
The ABB IMDSI22 module is specifically designed to receive and process digital inputs from the field. It can manage multiple input channels, enabling the monitoring of on/off states or binary signals. The module is compatible with the Bailey Infi 90 system and supports a wide range of digital devices.
With advanced diagnostics and signal integrity features, the IMDSI22 ensures reliable data acquisition even in demanding industrial environments. The module integrates seamlessly with the Bailey Infi 90 DCS, allowing real-time communication with controllers, improving system performance, and enabling operators to monitor and control processes efficiently.
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Specifications and Parameters
|
Parameter |
Details |
|
Model Number |
IMDSI22 |
|
System Compatibility |
Bailey Infi 90 Distributed Control System (DCS) |
|
Input Type |
Digital Input |
|
Number of Channels |
16 |
|
Input Signal Voltage |
24V DC (typical) |
|
Input Signal Type |
Binary (on/off, high/low) |
|
Power Supply Voltage |
24V DC |
|
Isolation |
Channel-to-channel and channel-to-ground isolation |
|
Diagnostics |
Fault detection, signal integrity monitoring |
|
Operating Temperature |
0°C to +60°C |
|
Storage Temperature |
-40°C to +85°C |
Termination Unit
In general, a termination unit is a passive device that connects and distributes signals between theI/O module and field wiring terminals. The terminal block field wiring connection points arelocated on the termination unit. Field wiring can enter the cabinet from either the top orthe bottom then attaches to a termination unit. A termination unit has several purposes:
■ Field wiring termination.
■ I/O channel signal routing.
■ Range and mode selection for analog I/O.
■ Voltage threshold selection for digital inputs.
■ Field power or system powered I/O selection.
■ Circuit protection (fuses).
■ Shield (chassis ground) connection.
Field connections remain undisturbed if the I/O module is removed or replaced. Each type of I/Omodule requires its own type of termination unit. The number of wiring terminals depends on thenumber and types of I/O channels. To simplify the installation process, the terminals are clearlymarked to identify wiring connections. Harmony rack I/O supports alternate termination methods such as intrinsic barriers, rail mount termination, and third-party supplied termination.
Features and Benefits
■ Wide variety of Input/Output (I/O)types: Analog (high and lowlevels, and temperature), digital,control, turbine control, fieldbus, and sequence of events(SOE).
■ Modular to meet varying I/Orequirements: I/O modules areprovided to meet nearly all I/Oprocessing requirements (isolation, A/D conversion, autocalibration).
■ Dedicated, secureI/O communications: Fastresponse parallel bus supportsup to 64 I/O modules to a singlecontroller pair.
■ Graceful degradation of I/O:Configurable, fail-safe outputmodes.
■ Compatibility withexisting systems: I/O modulescan be used to expand existingINFI 90® OPEN, in conjunctionwith Harmony block I/O, andcan communicate directly withall Harmony controllers.
■ Surface-mount technology:Provides high reliability andconsistent quality
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