Brand: Allen Bradley Description: Digital Input Module Condition: Brand New Certificate: COO TEST REPORT WARRANTY LETTER Warranty: 1 year Inventory Qty: 4 Payment Term: T/T Shipping Port: Shenzhen Allen Bradley 1756-IA16 is mainly used in industrial automation systems to detect the On/Off status of field devices and convert AC signals into logic signals that can be recognized by controllers.
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Manufacture |
Allen Bradley |
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Model Number |
1756-IA16 |
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Ordering Number |
1756-IA16 |
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Catalog |
ControlLogix |
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Country Of Origin |
Switzerland |
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HS CODE |
8538900000 |
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Dimension |
12*12*8cm |
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Weight |
0.8kg |
Product Features
Allen Bradley 1756-IA16 supports hot-swapping of modules and RTBs while the system is powered on, without interrupting other control processes.
Allen Bradley 1756-IA16 does not require controller polling, modules actively send data when there is a state change (COS) or at a periodic interval (RPI), improving communication efficiency.
Allen Bradley 1756-IA16 adds timestamps to input data changes using a 64-bit system clock, facilitating event tracing.
Allen Bradley 1756-IA16 reports faults via status indicator lights (OK, FLT) and software, including communication interruptions and hardware failures.
Allen Bradley 1756-IA16 supports Compatible Modules, Exact Match, or Disable Keying to prevent incorrect device installation.
Allen Bradley 1756-IA16 configures parameters via RSLogix 5000 software, eliminating the need for hardware jumpers. It supports 16 independent inputs, accommodating multi-device detection requirements.
Product Working Principle
The AC signal at the site is input through the RTB interface module, filtered to remove interference, and then converted into a digital signal.
Allen Bradley 1756-IA16 can transmit data to the controller via the backplane based on the set RPI cycle or COS event.
Allen Bradley 1756-IA16 can send data to the remote controller via the EtherNet/IP or ControlNet network at the RPI frequency. Network latency is affected by the RPI and network load.
Allen Bradley 1756-IA16 acts as a “producer” to actively send data, while the controller acts as a “consumer” to receive it, eliminating the need for polling and reducing system overhead.
Product Parameter
The following detail is for Allen Bradley 1756-IA16.
Input Voltage Range: 74-132V AC
Number of Input Points: 16 points (non-isolated)
Input Filter Time: 1ms, 2ms (configurable via software)
Communication Protocol: Producer/Consumer model
RPI Range: 200μs - 750ms
Operating Temperature: 0-60°C (standard industrial environment)
Isolation Method: Internal electrical isolation between system side and field side
Status Indicators: OK (green, communication status), I/O (yellow, input status)
