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1756-LSC8XIB8I

ControlLogix 8 Point Counter Input

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Technical Specifications
Electrical
Mechanical
Environmental
Input Specifications
Output Specifications
Certification
Construction
Drawings
Documents
Downloads
Certifications
Alternative Products
Technotes
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
1.47 W
Thermal dissipation
12.97 btu/h
Power dissipation
3.8 W @ 60 °C (140 °F)
Number of counters
8 individually isolated
Current draw
275mA @ 5.1V, 3mA @ 24V
Module keying
Electronic, software configurable
ON-state current, max
5mA @ 30V DC
Inputs
8 individually isolated, standard input or counter-control functionality
Isolation voltage
250V (continuous), reinforced insulation type, inputs to backplane, 250V (continuous), basic insulation type, input to input
Wire category
1 - on signal ports
Redundancy
False
Short-circuit protection, outputs available
False
Input voltage, nom
24V DC
Cyclic update time
0.2 ms
Change of state
Any transition
Slot width
1
RTB keying
User-defined mechanical
Shock
Operating: 30 G, Non operating: 50 G
Vibration
2 G @ 10...500 Hz
Surrounding air temperature, max
60 °C
North American temperature code
T4A
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
EFT/B immunity
±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 signal 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
Off-state current, max
1.5 mA
Counting frequency, max
40 khz
Input impedance, max
6 kΩ @ 30V DC
Off-state voltage, max
5V
Voltage category
12/24V DC sink/source
Count range
0...2,147,483,648 (31-bit counter)
On-state current, min
2mA @ 10V DC
Operating voltage
10...30V DC
Input delay time
OFF to ON: 14 µs nom/23 µs max + user-configurable filter time of 0...30,000 µs, ON to OFF: 14 µs nom/23 µs max + user-configurable filter time of 0...30,000 µs
Reverse polarity protection
Reverse polarity protection: Yes
IEC temperature code
T4
Enclosure type
None (open-style)
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Type Resource Publication
General Product Cutsheet --
General Technical Detail --
Technical Data 1756-td002_-en-e 1756-TD002
Looking for more documentation?
Find curated technical documentation for this product in the Technical Documentation Center, or search our full Literature Library.
Visit the Technical Documentation Center Search the Literature Library
Available Downloads
  • AOP for 1756-IB, LS, OB APEX I/O Series A v4.02.12
  • AOP for 1756 I/O Digital v4.02.24
  • EDS files for 1756-LSC8XIB8I (multi)
  • EDS files for ControlLogix Family (multi)
  • AOP - Add On Profiles for 1756 Next Gen Apex 2 Digital I/O v40.12.22
  • AOP for 1756-IB,LS,OB Apex I/O Series A v3.01.01
  • AOP for 1756-IB,LS,OB Apex I/O Series A v2.03.12
See All Downloads
China CCC ATEX IECEx Scheme Australian RCM
  • China CCC
  • CE
  • ATEX
  • IECEx Scheme
  • Australian RCM

This product was certified with the above certifications as of 2025-08-26. Products sold before or after this date might carry different certifications. Please review the product label to check for the certifications your specific product carries.

Items Per Page:
1-1 of 1
Looking for more Technotes?
Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.
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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
1.47 W
Thermal dissipation
12.97 btu/h
Power dissipation
3.8 W @ 60 °C (140 °F)
Number of counters
8 individually isolated
Current draw
275mA @ 5.1V, 3mA @ 24V
Module keying
Electronic, software configurable
ON-state current, max
5mA @ 30V DC
Inputs
8 individually isolated, standard input or counter-control functionality
Isolation voltage
250V (continuous), reinforced insulation type, inputs to backplane, 250V (continuous), basic insulation type, input to input
Wire category
1 - on signal ports
Redundancy
False
Short-circuit protection, outputs available
False
Input voltage, nom
24V DC
Cyclic update time
0.2 ms
Change of state
Any transition
Slot width
1
RTB keying
User-defined mechanical
Shock
Operating: 30 G, Non operating: 50 G
Vibration
2 G @ 10...500 Hz
Surrounding air temperature, max
60 °C
North American temperature code
T4A
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
EFT/B immunity
±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 signal 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
Off-state current, max
1.5 mA
Counting frequency, max
40 khz
Input impedance, max
6 kΩ @ 30V DC
Off-state voltage, max
5V
Voltage category
12/24V DC sink/source
Count range
0...2,147,483,648 (31-bit counter)
On-state current, min
2mA @ 10V DC
Operating voltage
10...30V DC
Input delay time
OFF to ON: 14 µs nom/23 µs max + user-configurable filter time of 0...30,000 µs, ON to OFF: 14 µs nom/23 µs max + user-configurable filter time of 0...30,000 µs
Reverse polarity protection
Reverse polarity protection: Yes
IEC temperature code
T4
Enclosure type
None (open-style)
Drawings
Sign in to your Rockwell Automation account to view and download technical drawings.
Sign In
Documents
Product Cutsheet General
--
Technical Detail General
--
1756-td002_-en-e Technical Data
1756-TD002
Type Resource Publication
General Product Cutsheet --
General Technical Detail --
Technical Data 1756-td002_-en-e 1756-TD002
Looking for more documentation?
Find curated technical documentation for this product in the Technical Documentation Center, or search our full Literature Library.
Visit the Technical Documentation Center Search the Literature Library
Downloads
Available Downloads
  • AOP for 1756-IB, LS, OB APEX I/O Series A v4.02.12
  • AOP for 1756 I/O Digital v4.02.24
  • EDS files for 1756-LSC8XIB8I (multi)
  • EDS files for ControlLogix Family (multi)
  • AOP - Add On Profiles for 1756 Next Gen Apex 2 Digital I/O v40.12.22
  • AOP for 1756-IB,LS,OB Apex I/O Series A v3.01.01
  • AOP for 1756-IB,LS,OB Apex I/O Series A v2.03.12
See All Downloads
Certifications
China CCC ATEX IECEx Scheme Australian RCM
  • China CCC
  • CE
  • ATEX
  • IECEx Scheme
  • Australian RCM

This product was certified with the above certifications as of 2025-08-26. Products sold before or after this date might carry different certifications. Please review the product label to check for the certifications your specific product carries.

Alternative Products
Items Per Page:
1-1 of 1
Technotes
Looking for more Technotes?
Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.
Search Knowledgebase
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