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Allen-Bradley 1756-HSC ControlLogix High-Speed Counter Module

Allen-Bradley 1756-HSC ControlLogix High-Speed Counter Module

Model
1756HSC
GEARWELL SKU
GWP-000003570
Category
PLCs & I/O

Key specifications

Outputs
4, in two groups
Counters
2
Count range
0 to 16,777,214
Backplane current
300 mA at 5.1 V DC; 3 mA at 24 V DC
Output current limit
Less than 4 A

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Product overview

The Allen-Bradley 1756-HSC is a ControlLogix high-speed counter module for the 1756 chassis. It has two counters, each with A, B and Z (gate/reset) inputs, plus four outputs, for 5V or 12/24V DC signals; it counts up to 1 MHz in counter mode and 250 kHz in encoder mode. It draws 300 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 nameAllen-Bradley 1756-HSC ControlLogix High-Speed Counter Module
BrandAllen-Bradley
Model1756HSC
CategoryPLCs & I/O
Outputs4, in two groups
Counters2
Count range0 to 16,777,214
Backplane current300 mA at 5.1 V DC; 3 mA at 24 V DC
Output current limitLess than 4 A
Enclosure typeNone (open-style)
Minimum input current4 mA
Inputs per counter3: A, B and Z
Maximum counting frequency1 MHz in counter mode; 500 kHz rate measurement; 250 kHz encoder mode. With filtering: Series A/B 70 Hz maximum; Series C/D selectable 50 Hz, 500 Hz, 5 kHz or 50 kHz.
Counter input configurationCounter, rate-measurement and encoder modes
Output configurationPreset-controlled; up to two outputs per counter channel, with two on/off preset pairs per output