Pilz PSS SB HYD, Basic license - Manual (Page 21)

2-1 Modular Block System: Hydraulic Presses
Software package
The “MBS Hydraulic Presses” software package is part of the Pilz MBS
Modular Block System. The software package contains all the standard
function blocks necessary for electronically-monitored safety devices on
distributed automation plants. This includes:
• Monitoring the position of operating mode selector switches for safe
mode selection (automatic, manual, cycle mode etc.)
• Monitoring two-hand circuits for simultaneity
• Evaluation of E-STOP buttons, grab wires etc.
• Monitoring safety, maintenance and supply gates
• Monitoring of power contactors through control of the feedback loop
• Controlling and monitoring electrosensitive protective equipment
• Safe, temporary suspension of safety functions (muting mode)
• Driving and monitoring a press safety valve
• Monitoring enable switches
Standard function blocks in the “MBS Hydraulic Presses” software
package are used in the failsafe section of a PSS-range programmable
safety system.
Overview