Pilz PSS SB HYD, Basic license - Manual (Page 210)

6-148 Modular Block System: Hydraulic Presses
Standard Function Blocks
SB089: Sequential driving/monitoring the position of two hydraulic
valves (poppet and directional control valves)
Block header
Input parameters
• SSNR: Safety subroutine number
Permitted value range: 1 ... 200
Format: Byte constants KB001 ... KB200
(see sections in Chapter 5 entitled “Administration data blocks
DB015, DB016 and DB017” and “Input parameter SSNR”).
Value of DW (
SSNR) = 0: No error found
• StEn: Static enable for operating the valve
StEn = 0:
Valve operation disabled
StEn = 1: Valve operation enabled
• S1: Valve 1: Acknowledgement of position
S1 = 1:
Start position of valve (valve de-energised,
acknowledgement from valve is present)
• S2: Valve 2: Acknowledgement of position
S2 = 1:
Start position of valve (valve de-energised,
acknowledgement from valve is present)
INFORMATION
If valves Y1 and Y2 are acknowledged via switches, the supply to these
switches must be from test pulses.
SB089
H_VALV_P
B - SSNR
X - StEn
X - S1
X - S2
W - TOn
W - TOff
X - Y1On
X - Y2On
X - VTyp
X - RSET ENBL - X
Y1
- X
Y2 - X
ERR - X
SB089