sc2-2. Pepperl+Fuchs, sc2-2. Datasheet - Page 26

• Manufacturer Part Number: sc2-2.
• Description: Factory Automation
• Manufacturer: Pepperl+Fuchs

6.3.4
6.3.5
7
24
Subject to reasonable modifications due to technical advances.
Pepperl+Fuchs Group • Tel.: Germany (06 21) 7 76-0 • USA (330) 4 25 35 55 • Singapore 67 79 90 91 • Internet http://www.pepperl-fuchs.com
Test of relay monitor
- Switch to voltage-free state
- Interrupt the connection line between the external contact and the control unit
- Turn on the control unit
- The "Restart “ (Start) status display must flash and the E2 error LED must light up.
- Connect the interrupted lead again.
- Activate the test (error reset)
Principle of operation of the OSSD outputs
The OSSD outputs are turned on under the following conditions:
- With active startup lock: The protective beams are free and startup is enabled.
- Without startup lock: The protective beams are free.
The OSSD outputs remain turned on under the following condition:
- No protective beam is interrupted.
The OSSD outputs are turned off under the following conditions:
- The protective beams are interrupted.
- An error state is detected.
- The test input is activated.
Periodic checkup
A daily test is required if it cannot be ensured that:
- an external test is used for verification
- a protective field interruption occurs at least once per day
- or the device is not turned on at least once each operating day.
Copyright Pepperl+Fuchs, Printed in Germany
SC2-2 control unit
Periodic checkup