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Catalog #: 1756-PLS
ControlLogix Prog Limit Switch Module
Catalog #: 1756-PLS
ControlLogix Prog Limit Switch Module
Rockwell Automation announces that as of
2025-12-31T00:00:00.000Z,
the ControlLogix Prog Limit Switch Module will be discontinued and no longer available for sale.
Customers are encouraged to remove references to the affected product(s).
Discontinued Date:
2025-12-31T00:00:00.000Z
Replacement Category:
No planned RA replacement
Learn how to avoid the risks of unauthorized and counterfeit products.
Technical Specifications
Electrical
Suitable for safety functions | No |
---|---|
Digital inputs configurable | Yes |
Digital outputs configurable | No |
Voltage type of supply voltage | DC |
Type of electric connection | Screw connection |
Total backplane power | 8.1 W |
Current draw | 1 mA @ 5.1V, 125 mA @ 24V |
Outputs | 16 (2 groups of 4 per I/O section) |
Power dissipation, max | 25.7 W @ 30 °C (86 °F), 21.3 W @ 60 °C (140 °F), 2.8 W @ 60 °C (140 °F), 6 W @ 30 °C (86 °F), 3.8 W @ 60 °C (140 °F) |
Isolation voltage | 250V (continuous), basic insulation type, I/O-to-backplane, I/O group-to-group, resolver-to-backplane, and resolver-to-I/O |
Wire category | 2 on signal ports, 1 on power ports |
Redundancy | No |
Short-circuit protection, outputs available | No |
Digital resolution | 12 Bit |
Angular resolution per bit | 0.088 ° |
Tracking rate, max | ±1800 RPM |
Reference frequency | 5 kHz ±20% |
Reference voltage | 2V rms ±20% |
Digital count | 0...4095 (decimal) |
Accuracy | ±0.0976% of full scale |
Repeatability | ±0.0488% of full scale |
Power dissipation, nom | 22.62 W @ 30 °C (86 °F), 18.22 W @ 60 °C (140 °F), 1.86 W @ 60 °C (140 °F), 5.4 W @ 30 °C (86 °F), 3.2 W @ 60 °C (140 °F) |
Thermal dissipation, nom | 77.23 BTU/hr @ 30 °C (86 °F), 62.2 BTU/hr @ 60 °C (140 °F), 6.35 BTU/h, 18.43 BTU/hr @ 30 °C (86 °F), 10.93 BTU/hr @ 60 °C (140 °F) |
Mechanical
Slot width | 3 |
---|---|
RTB keying | User-defined mechanical |
Shock | Operating: 30 G, Non operating: 50 G |
Vibration | 2 G @ 10...500 Hz |
Thermal dissipation, max | 87.74 BTU/hr @ 30 °C (86 °F), 72.72 BTU/hr @ 60 °C (140 °F), 9.56 BTU/h, 21.48 BTU/hr @ 30 °C (86 °F), 11.93 BTU/hr @ 60 °C (140 °F) |
Environmental
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 | ±4 kV at 5 kHz on unshielded I/O and power ports, ±2 kV at 5 kHz on shielded resolver ports |
Operating temperature | 0 to 60 °C |
Surge transient immunity | ±1 kV line-line (DM) and ±2 kV line-earth (CM) on unshielded I/O and power ports, ±2 kV line-earth (CM) on shielded resolver 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 |
Input Specifications
Off-state current, max | 1.5 mA |
---|---|
Input impedance, max | 3.3 kΩ @ 24V DC |
ON-state voltage, max | 31.2V DC, 31.2V DC |
Off-state voltage, max | 5V DC |
On-state voltage, min | 10V DC, 10V DC |
Voltage category | 12/24V DC, 12/24V DC |
On-state voltage, nom | 10.8...26.4V DC, 10.8...26.4V DC |
Operating voltage | 10.8...31.2V DC, 10...31.2V DC |
Input delay time | OFF to ON: <15 μs @ 30 °C (86 °F), <150 μs @ 60 °C (140 °F), ON to OFF: <30 μs @ 30 °C (86 °F), <200 μs @ 60 °C (140 °F) |
ON-state current | 3 mA |
Output Specifications
Off-state leakage current per point, max | 300 mA @ 60 °C (140 °F) |
---|---|
Load current per point, min | 40 mA |
Short circuit protection | Electronic (No indication of fault. Remove load and toggle on/off to restore.) |
Reverse polarity protection | Yes, Yes, current limited. (If wired incorrectly, outputs can be permanently disabled.) |
Output switching time | Switching 1 A @ 24V DC |
Output delay time | Off to On: <15 μs @ 60 °C (140 °F), ON to OFF: <25 μs @ 60 °C (140 °F) |
Current limit | <4 A |
Output voltage drop, max | 0.55V DC |
Current per point, max | 1 A @ 30 °C (86 °F) |
Current per group, max | 4 A @ 30 °C (86 °F) |
Current per module, max | 8 A @ 30 °C (86 °F) |
Output power dissipation | 3.2 W @ 60 °C (140 °F) |
Off-state leakage current per point, nom | <10 μA @ 60 °C (140 °F) |
Slot thermal dissipation | 10.93 BTU/hr @ 60 °C (140 °F) |
Surge current per point | 2 A for 10 ms every 1 s @ 60 °C (140 °F) |
Certification
IEC temperature code | T4 |
---|
Construction
Resolver location | Center section |
---|---|
Enclosure type | None (open-style) |
Compatible resolver | Allen-Bradley resolver 846-SJxxxx-R3-x (x = customer options) |
Resolver interface | 2V rms, reference output (differential pair), 2V rms, sine and cosine inputs (two differential pairs) |
Module configuration | Left section: two groups of four outputs and four inputs each, Center section: resolver interface and I/O control, Right section: two groups of four outputs and four inputs each |
Documentation
RESOURCE | PUBLICATION NUMBER |
---|---|
Technical Data | 1756-TD005 |
Find more technical documentation for this product in the
Technical Documentation Center.
Documentation
TYPE | Technical Data |
---|---|
PUBLICATION NUMBER | 1756-TD005 |
Find more technical documentation for this product in the
Technical Documentation Center.
Certifications
- ATEX
- CE
- Australian RCM
This product was certified with the above certifications as of 2024-09-17. 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.
Certifications
- ATEX
- CE
- Australian RCM
This product was certified with the above certifications as of 2024-09-17. 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.
Copyright ©2024 Rockwell Automation, Inc.