Overview
Input Configuration and Signal Handling
The 1769-IQ32T provides 32 digital input channels divided into four groups, with eight inputs per group. It accepts both sinking and sourcing 24 VDC signals, allowing connection to compatible field devices with different output arrangements.
The operating voltage range depends on ambient temperature. The module supports 10-30 VDC at 30 deg C and 10-26.4 VDC at 60 deg C. Therefore, the temperature-dependent voltage limits should be considered when selecting field devices and designing the input circuit.
The specified input delay is 8 ms for the ON state. The OFF-state voltage is 5 VDC, while the ON-state voltage is 10 VDC.
Wiring and Installation
The module supports Allen Bradley 1492 wiring systems and uses a 32-point prefabricated cable for remote termination. This arrangement provides an alternative to connecting individual field wires directly to the module.
For installation, the 1769-IQ32T supports DIN rail or panel mounting. Its replacement terminal block is the 1769-RTBN18. The listed wiring accessory is 1746-N3, supplied with the module.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 1769-IQ32T |
| Brand | Allen Bradley |
| Product Type | Discrete Input Module |
| Product Family | Compact I/O |
| Product Line | CompactLogix |
| Module Type | Compact DC Input Module |
| Input Type | Digital Input |
| Number of Inputs | 32 |
| Number of Groups | 4 groups, 8 inputs per group |
| Voltage Category | 24 VDC Sink/Source |
| Voltage Rating | 24 VDC |
| Operating Voltage | 10-30 VDC at 30 deg C |
| Operating Voltage | 10-26.4 VDC at 60 deg C |
| OFF-state Voltage | 5 VDC |
| ON-state Voltage | 10 VDC |
| Input Delay, ON | 8 ms |
| Power Supply Distance Rating | 8 |
| Communication Cable | 32-point prefabricated cable |
| Compatible Controllers | MicroLogix 1500; CompactLogix |
| Wiring Accessory | 1746-N3 (supplied with module) |
| Replacement Terminal Block | 1769-RTBN18 |
| Wiring Systems | Allen Bradley 1492 wiring systems |
| Wire Type | Copper, 90 deg C |
| Solid Wire Size | 22-14 AWG |
| Power Supply Models | 1769-PA2, 1769-PB2, 1769-PA4, 1769-PB4 |
| Mounting | DIN rail or panel mount |
| Series | A and B |
| UPC | 781180609589 |
| Weight | 0.56 lb (0.26 kg) |
Frequently Asked Questions
Q: How many input channels does the 1769-IQ32T provide?
A: The module provides 32 digital input channels arranged in four groups of eight. It accepts 24 VDC sinking or sourcing input signals.
Q: Which controllers are compatible with the 1769-IQ32T?
A: The specified compatible controllers are MicroLogix 1500 and CompactLogix. Check the controller hardware configuration and system documentation before installation.
Q: What wiring accessories are specified for this module?
A: The 1769-IQ32T uses a 32-point prefabricated cable and supports Allen Bradley 1492 wiring systems. The listed supplied wiring accessory is 1746-N3, while 1769-RTBN18 is the replacement terminal block.
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