Allen-Bradley 1756-LSC8XIB8I ControlLogix 8-Counter / 8-Input Module
- Brand
- Allen-Bradley
- Model
- 1756LSC8XIB8I
- GEARWELL SKU
- GWP-000003382
- Category
- PLCs & I/O
Key specifications
- Counters
- 8 individually isolated
- Counter resolution
- 31 bits
- Backplane current
- 275 mA at 5.1 V DC; 3 mA at 24 V DC
- Enclosure type
- None (open-style)
- Hardware inputs
- 8 individually isolated
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← Back to productsProduct overview
The Allen-Bradley 1756-LSC8XIB8I is a ControlLogix 10…30V low-speed counter module for the 1756 chassis. It has eight individually isolated counters up to 40 kHz with two user-configurable on/off windows each, plus eight individually isolated hardware inputs for standard input or counter control, all for 12/24V DC sink/source signals at 10…30V DC. It draws 275 mA at 5.1V DC and 3 mA at 24V DC from the backplane. Field wiring goes through a 1756-TBCH or 1756-TBS6H removable terminal block, which is ordered separately. ControlLogix I/O modules can sit in any slot of a local ControlLogix chassis or in a remote chassis linked over EtherNet/IP or ControlNet, and their input data and output status can be shared by more than one controller.
Technical reference
| Product name | Allen-Bradley 1756-LSC8XIB8I ControlLogix 8-Counter / 8-Input Module |
|---|---|
| Brand | Allen-Bradley |
| Model | 1756LSC8XIB8I |
| Category | PLCs & I/O |
| Counters | 8 individually isolated |
| Counter resolution | 31 bits |
| Backplane current | 275 mA at 5.1 V DC; 3 mA at 24 V DC |
| Enclosure type | None (open-style) |
| Hardware inputs | 8 individually isolated |
| Hardware input delay | 14 µs nominal / 23 µs maximum plus a configurable 0 to 30,000 µs filter, for both off-to-on and on-to-off transitions |
| Operating voltage | 10 to 30 V DC |
| Maximum input impedance | 6 kΩ at 30 V DC |
| Maximum counting frequency | 40 kHz |
| Hardware input functions | Standard digital input or counter-control input |
| Digital outputs configurable | No |
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