Bosch Rexroth PST 6 0 Series, Operating Instructions Manual

Page: 283 / 330

1070080029 / 05 Bosch Rexroth AG Electric Drives
and Controls
PST 6xx0 | | 283 /330
Commissioning
8 Commissioning
WARNING
Dangerous electrical voltage
Possibility of cardiac arrhythmia, burns, shock!
"
Make sure that unauthorized persons do not work on/in the switch
cabinet.
During commissioning, the thyristor power supply unit and other
live plant components are accessible at the open switch cabinet!
This reduces the safety of persons and the plant!
Prerequisite for commissioning is the proper installation and function
•
of the entire mechanics of the welding equipment
• of all Emergency-Stop/Emergency-Halt devices
• of the electrical connection including all required sensors
• of the compressed air supply and cooling units.
" Make sure that the above mentioned prerequisites for commissioning
are met.
Switching on the thyristor power supply unit
1.
Activate the compressed air supply and the cooling units, should this
have to be done manually.
2.
If the 24 V supply of the control logic (infeed at X4) is generated
externally, switch on the 24 V supply.
If the 24 V supply of the control logic (infeed at X4) is generated in­
ternally by the integrated power unit, switch on the mains supply of
the thyristor power supply unit.
For information on the connection of external or internal logic supply,
please refer to Section 7.2.5 on page 266.
The LOGIC LED at the front side of the timer must be lit green after
switching on the 24 V supply.
PST 6xx0
LOGIC LED
MAINS VOLTAGE OK LED
Fig.48: Display at the timer unit
3.
Connect a programming terminal with installed BOS (for connection
of programming terminal: refer to Section 7.2.4 from page 265).
ENGLISH