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ControlLogix High Speed Counter Module

Catalog #: 1756-HSC

Lifecycle status: Active

Suitable for safety functions	False
Digital inputs configurable	True
Digital outputs configurable	False
Voltage type of supply voltage	DC
Type of electric connection	Screw connection
Total backplane power	1.6 W
Thermal dissipation	19.1 btu/h
Number of counters	2 counters
Current draw	300mA @ 5.1V, 3mA @ 24V
Module keying	Electronic, software configurable
Outputs	4 (2 points/group)
Power dissipation, max	5.6 W @ 60 °C(140 °F)
Isolation voltage	125V (continuous), basic insulation type, input group-to-backplane, 30V (continuous), basic insulation type, input group-to-input group
Wire category	2 on signal ports, 1 on power ports
Short-circuit protection, outputs available	False
Inputs per counter	3 (A, B, Z for gate/reset)

Surrounding air temperature, max	60 °C
North American temperature code	T4
Emissions	IEC 61000-6-4
ESD immunity	6 kV contact discharges, 8 kV air discharges
Relative humidity	5...95% noncondensing
Conducted RF immunity	10V rms with 1 kHz sine wave 80% AM from 150 kHz...80 MHz on shielded signal ports
EFT/B immunity	±4kV @ 5kHz on power ports, ±4kV @ 5kHz on signal ports
Operating temperature	0 to 60 °C
Surge transient immunity	±1 kV line-line (DM) and ±2 kV line-earth (CM) on power ports, ±1 kV line-line (DM) and ±2 kV line-earth (CM) on signal ports, ±2 kV line-earth (CM) on shielded ports
Radiated RF immunity	10 V/m with 1 kHz sine-wave 80% AM from 80...2000 MHz, 10 V/m with 200 Hz 50% Pulse 100% AM @ 900 MHz, 10 V/m with 200 Hz 50% Pulse 100% AM @ 1890 MHz, 3 V/m with 1 kHz sine-wave 80% AM from 2000...2700 MHz
Nonoperating temperature	-40 °C

Counting frequency, max	1000 khz
Count range	0...16, 777, 214
Operating voltage	5V ops: 4.5...5.5V DC @ 12/24V ops: 10...26.4V DC
Input frequency, max	1 MHz in counter modes (A input), 500 kHz in rate measurement mode (A input), 250 kHz in encoder mode (A/B inputs, X1 or X4), 70 Hz with filter enabled
Input current, min	4 mA
Input current, nom	15 mA

On-state voltage drop, max	0.55 V
Off-state leakage current per point, max	300 µA
Load current per point, min	5V ops: 3mA @ 12/24V ops: 40 mA
Short circuit protection	Electronic (remove overload and toggle On/Off to restore.)
Reverse polarity protection	Yes (if wired incorrectly, module outputs can be permanently disabled.)
Output control	Up to two outputs are assigned to each counter channel, each output can have two ‘turn-on’ and ’turn-off’ preset values
Output delay time	OFF to ON: 20 µs nominal, 50 µs maximum, ON to OFF: 60 µs nominal, 300 µs maximum
Counter, max	1 mhz
Debounce filter, max	70 Hz
Rate measurement, max	500 khz
Encoder, max	250 khz
Current limit	<4 A
Surge current per point	2 A for 10 ms every 1 s @ 60 °C (140 °F)
Output current rating, per point	20mA @ 4.5...5.5V DC, 1.0A @ 10...31.2V DC

IEC temperature code	T4

Enclosure type	None (open-style)

Available Downloads

Drawings
3-Dimensional STEP model (STP) Download (ZIP)
Product Drawing Drawing (DWG)
Product Drawing Drawing (DWG)
Product Drawing Drawing (DWG)
Product Drawing Drawing (DWG)

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Technical Specifications

Suitable for safety functions	False
Digital inputs configurable	True
Digital outputs configurable	False
Voltage type of supply voltage	DC
Type of electric connection	Screw connection
Total backplane power	1.6 W
Thermal dissipation	19.1 btu/h
Number of counters	2 counters
Current draw	300mA @ 5.1V, 3mA @ 24V
Module keying	Electronic, software configurable
Outputs	4 (2 points/group)
Power dissipation, max	5.6 W @ 60 °C(140 °F)
Isolation voltage	125V (continuous), basic insulation type, input group-to-backplane, 30V (continuous), basic insulation type, input group-to-input group
Wire category	2 on signal ports, 1 on power ports
Short-circuit protection, outputs available	False
Inputs per counter	3 (A, B, Z for gate/reset)

Surrounding air temperature, max	60 °C
North American temperature code	T4
Emissions	IEC 61000-6-4
ESD immunity	6 kV contact discharges, 8 kV air discharges
Relative humidity	5...95% noncondensing
Conducted RF immunity	10V rms with 1 kHz sine wave 80% AM from 150 kHz...80 MHz on shielded signal ports
EFT/B immunity	±4kV @ 5kHz on power ports, ±4kV @ 5kHz on signal ports
Operating temperature	0 to 60 °C
Surge transient immunity	±1 kV line-line (DM) and ±2 kV line-earth (CM) on power ports, ±1 kV line-line (DM) and ±2 kV line-earth (CM) on signal ports, ±2 kV line-earth (CM) on shielded ports
Radiated RF immunity	10 V/m with 1 kHz sine-wave 80% AM from 80...2000 MHz, 10 V/m with 200 Hz 50% Pulse 100% AM @ 900 MHz, 10 V/m with 200 Hz 50% Pulse 100% AM @ 1890 MHz, 3 V/m with 1 kHz sine-wave 80% AM from 2000...2700 MHz
Nonoperating temperature	-40 °C

Counting frequency, max	1000 khz
Count range	0...16, 777, 214
Operating voltage	5V ops: 4.5...5.5V DC @ 12/24V ops: 10...26.4V DC
Input frequency, max	1 MHz in counter modes (A input), 500 kHz in rate measurement mode (A input), 250 kHz in encoder mode (A/B inputs, X1 or X4), 70 Hz with filter enabled
Input current, min	4 mA
Input current, nom	15 mA

On-state voltage drop, max	0.55 V
Off-state leakage current per point, max	300 µA
Load current per point, min	5V ops: 3mA @ 12/24V ops: 40 mA
Short circuit protection	Electronic (remove overload and toggle On/Off to restore.)
Reverse polarity protection	Yes (if wired incorrectly, module outputs can be permanently disabled.)
Output control	Up to two outputs are assigned to each counter channel, each output can have two ‘turn-on’ and ’turn-off’ preset values
Output delay time	OFF to ON: 20 µs nominal, 50 µs maximum, ON to OFF: 60 µs nominal, 300 µs maximum
Counter, max	1 mhz
Debounce filter, max	70 Hz
Rate measurement, max	500 khz
Encoder, max	250 khz
Current limit	<4 A
Surge current per point	2 A for 10 ms every 1 s @ 60 °C (140 °F)
Output current rating, per point	20mA @ 4.5...5.5V DC, 1.0A @ 10...31.2V DC

IEC temperature code	T4

Enclosure type	None (open-style)

Drawings

Drawings
3-Dimensional STEP model (STP) Download (ZIP)
Product Drawing Drawing (DWG)
Product Drawing Drawing (DWG)
Product Drawing Drawing (DWG)
Product Drawing Drawing (DWG)