1794-IB16
16-Point 24 VDC Sink Input Module · Sixteen current-sinking 24 VDC inputs with configurable input filtering for distributed field-signal acquisition.
Lifecycle note: Use the unit nameplate and current official documentation as final references before approving a replacement.
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+86 1535940827516-Point 24 VDC Sink Input Module · 1794 Distributed I/O Platform
1794-IB16 is a sixteen-point 24 VDC sinking digital input module for acquiring discrete field-device states through a compatible distributed I/O adapter and terminal base.
Each input operates across the documented 10 to 31.2 VDC on-state range, while selectable filter times from 512 microseconds to 64 milliseconds allow the configured controller to balance response speed and noise rejection.
Before replacement, verify the exact catalog number, terminal base and keying, adapter support, common and field-supply wiring, channel map, configured filter times, power budget and safe commissioning procedure.
| Catalog number | 1794-IB16 |
|---|---|
| Input channels | 16 current-sinking inputs |
| On-state voltage | 10 VDC minimum; 24 VDC nominal; 31.2 VDC maximum |
| On-state current | 2.0 mA minimum; 8.0 mA nominal; 12.0 mA maximum |
| Off-state voltage | 5.0 VDC maximum |
| Off-state current | 1.5 mA maximum |
| Nominal input impedance | 4.6 kΩ |
| Input filter selections | 0.512, 1, 2, 4, 8, 16, 32 or 64 ms |
| Backplane current | 30 mA at 5 VDC |
| Power dissipation | 6.1 W maximum at 31.2 VDC |
| Isolation | 50 V continuous from field side to system |
| Channel-to-channel isolation | None |
| Operating temperature | -20 to +55 °C |
| Terminal-base check | Match the installed compatible terminal base and key position |
1794-IB16 acquires sixteen current-sinking 24 VDC field states and transfers them through a compatible distributed I/O adapter to the configured controller.
1794-IB16 recognizes the documented 10 to 31.2 VDC on-state range with 8.0 mA nominal current at 24 VDC, subject to field-device leakage and wiring conditions.
1794-IB16 supports filter selections from 512 microseconds to 64 milliseconds in defined channel groups, so the selected delay must suit the signal and process response.
The field side of 1794-IB16 is isolated from the system, but individual channels are not isolated from one another, so common wiring and grounding must follow the approved design.
1794-IB16XT is a distinct extended-temperature execution and should not replace 1794-IB16 until input current, environment, terminal base, keying and adapter compatibility are verified.
Commission 1794-IB16 by checking the terminal base, keying and common wiring, then prove every input state, filter response, status indication and controller data mapping.
Provide the complete 1794-IB16 catalog label, module series, adapter and terminal-base numbers, field voltage, channel use, quantity and destination.
Send the complete 1794-IB16 catalog number, revision, quantity, destination and nameplate photo. Identification details will be checked before quotation.
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