Sigma7Siec Safe Torque Off Wiring
Topic Description

Sigma7Siec safe torque off input wiring details

  • Input current: 5mA typically per channel
  • On-input voltage range: +20 to +26VDC
  • Off-input voltage range: 0 to +2 VDC
  • Maximum pulse width: 20ms (Note: A signal will not detect pulse widths 0.5ms or shorter)

Sigma7Siec safe torque off Output wiring details

  • Maximum allowable voltage: 30 VDC
  • Maximum current: 50 mADC
  • Maximum voltage drop ON: 1.5 VDC
  • Operating current at ON: 5 mA to 50 mA

 

The Sigma7Siec Hardware Manual states that the Sigma7Siec STO option wiring is in the options manual. Refer to the Sigma-5 & Sigma-7 Safety Module User Manual for more details.
Resolution

Wire to the correct specifications with the intent of the following truth table:

Signal Name Code Logic
Safety Request Input Signal A1 SRI-A1 ON ON OFF OFF
Safety Request Input Signal A2 SRI-A2 ON OFF ON OFF
External Device Monitor Output Signal A EDM-A OFF OFF OFF ON

Product Types
Sigma-7Siec - Servopack,
All Applications
Advanced Random Rotary Knife with Cam Blend, Air Compressor, Blister pack Thermoformer, Cartoner, Centrifuge, Conveyor, Crane/Hoist, Dynamometer, Elevators and Escalators, Extrusion, Fans/Blowers, Feed To Length, General Machinery, HVAC, Irrigation, Labeler, Laundry, Linear Flying Shear, Machine Tool, Mixer, Other, Packaging, Palletizer, Precision Grinding, Pump, Punch Press, Rotary Knife, Rotary Placer, Rotary Table Indexer, Screw Feeder, Synch-Belt, Textile, Winding,
Option Types
Functional Safety,
Last Modified Date: 07-22-2024ID: 13324