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| Model Number : | IMDSI02 |
| Brand Name : | ABB |
The IMDSI02 Digital Slave Input Module brings 16 field-contact or status inputs into an INFI 90 controller through the slave expander bus. Its two eight-point groups support 24 VDC, 125 VDC or 120 VAC input service with individually selected voltage and response settings.
The IMDSI02 Digital Slave Input Module brings 16 field-contact or status inputs into an INFI 90 controller through the slave expander bus. Its two eight-point groups support 24 VDC, 125 VDC or 120 VAC input service with individually selected voltage and response settings.
| 01Input channels | 16 in two groups of eight |
|---|---|
| 02Isolation | 12 individually isolated inputs; two input pairs share common positive lines |
| 03Supported field signals | 24 VDC ±10%; 125 VDC ±10%; 120 VAC ±10% |
| 04Typical input current | 4.5 mA at 24 VDC; 5 mA at 125 VDC; 7 mA at 120 VAC |
| 05Minimum turn-on voltage | 21.4 VDC; 95 VDC; 85 VAC, respectively |
| 06Maximum turn-off voltage | 12 VDC; 60 VDC; 42 VAC, respectively |
| 07Minimum turn-on current | 3 mA at 21.4 VDC; 3 mA at 95 VDC; 5 mA at 85 VAC |
| 08Off-state leakage | 10 µA to 12 VDC; 10 µA to 60 VDC; 1.6 mA to 42 VAC |
| 09DC response selection | 1.5 ms fast or 17 ms slow |
| 10Isolation rating | 300 Vrms input-to-logic and input-to-input |
| 11Logic power | +5 VDC ±5%; 55 mA typical, 79 mA maximum |
| 12Function code | FC84 |
| 13Front indicators | 16 input-status LEDs |
| 14Termination | NTDI01 or NIDI01 |
| 15Mounting | One Module Mounting Unit slot |
| 16Operating temperature | 0 to 70°C (32 to 158°F) |
| 17Humidity | 0 to 95% RH to 55°C; 0 to 45% RH at 70°C, noncondensing |
| 18Altitude | Sea level to 3 km (1.86 mi) |
| 19Certification | CSA certified for ordinary, nonhazardous locations |
Read by an IMMFP01/02 or IMLMM02 over the slave expander bus using FC84. Manufacturer documentation lists NTDI01/NIDI01 termination and NKTU01, NKTM01 or NKTU02 cable arrangements. Inputs 7/8 and 15/16 share commons by pair and must use the same voltage source.
ABB identifies SPDSI22 as the Harmony Rack replacement. The later SD-series path depends on voltage class (DI01/DI02/DI03/DI04); no single SD module covers every mixed high- and low-voltage combination.
Original manufacturer source for channel circuitry, voltage classes, response settings, FC84, installation, diagnostics and maintenance.
SPDSI22 manufacturer replacement path and voltage-specific SD-series migration guidance.
Pre-shipment check, antistatic protection and reinforced packing.
Prompt review under the written order terms with fault evidence.
Covers confirmed supply defects during the agreed period.
Part-number, revision and system checks before dispatch.
Send the Part Number, Quantity, Destination, Required Date and Machine/System Model. A clear nameplate photo helps confirm the request.
These models are separate sourcing references, not stated replacements for IMDSI02. Compatibility and availability must be confirmed independently.
Technical statements are limited to verified ABB/Bailey manufacturer documentation. Installation must follow the plant safety procedure and the documentation for the installed system revision.
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