Pilz PSS SB HYD, Basic license - Manual (Page 39)

4-9 Modular Block System: Hydraulic Presses
SB068: Monitoring ESPE/AOPDs with guarding and control function
SB068 is a standard function block which is designed to monitor ESPE/
AOPDs up to category 4, in accordance with EN 954-1, 03/97, with
guarding and control function.
Features:
• Monitors the ESPE/AOPD outputs: feasibility check on the contact
switchover time of the two N/O contacts
• Start-up disabler
• Reset lock
• Test mode
• Cycle mode (control): enabled via single or double break of the ESPE/
AOPD.
• Cycle time monitoring
Operating modes
• AUS (OFF):
Guard function of ESPE/AOPD is deactivated
• Safety (GdO): ESPE/AOPD as guarding device with reset lock
• 1-Break (SBrK): Enabled via single break of ESPE/AOPD
• 2-Break (DBrK): Enabled via double break of ESPE/AOPD
INFORMATION
This block performs safety functions.
When using this block you must comply with the relevant standards and
regulations, in particular:
• EN 61 496-1, 06/98
• Regulations laid down by the manufacturer of your ESPE/AOPD
INFORMATION
Input circuitry: Category 4 ESPE/AOPDs with semiconductor outputs must
be connected to DI 2 inputs (e.g. input module PSS(1) DI 2) in order to
meet the requirements of category 4.