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ControlLogix 8 Point Counter Input
SKU: 1756-LSC8XIB8I
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Short Description
Description:
The 1756-LSC8XIB8I is a low-speed counter input module intended for ControlLogix systems.
It has eight individually isolated 24V DC sink/source inputs, each of which can be configured as a regular digital input or a dedicated counter.
This module is best suited for applications demanding precise pulse counting, frequency measurement, and pulse width analysis.
Each of the eight dedicated counters can handle an input frequency of up to 40 kHz.
The 31-bit counter ranges from 0 to 2,147,483,648.
Accumulates count, instantaneous and average frequency, and pulse width measurements.
Operating voltage: 10-30V DC (nominal: 24V DC).
Current Draw:
275 mA at 5.1 V DC.
3 mA at 24 V DC.
Backplane power consumption is ~1.47 W.
Isolation voltage:
Continuous: 250 volts.
Type-tested for 1500V AC (input-to-input) and 2300V AC (input-to-backplane).
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Electrical Specifications:
Input Channels: 8 individually isolated sink/source inputs.
Input Voltage Range: 10–30V DC.
Nominal Voltage: 24V DC.
On-State Current:
Minimum: 2 mA @ 10V DC.
Maximum: 5 mA @ 30V DC.
Off-State Limits:
Max Voltage: 5V DC.
Max Current: 1.5 mA.
Counter Frequency: Up to 40 kHz per channel.
Counter Range: 31-bit (0 to 2,147,483,648).
Power Consumption:
Backplane Current Draw:
5.1V DC: 275 mA.
24V DC: 3 mA.
Total Power Dissipation: ~1.47 W.
Isolation Ratings:
Continuous Isolation Voltage: 250V.
Type-Tested Isolation:
1500V AC (input-to-input for 60 seconds).
2300V AC (input-to-backplane for 60 seconds).