PSU 5000 / PSG 3000
Electrical
connection
Instructions for Assembly and Operation
1070 078 224--108
11--2
11.1 PSU connection overview
Mains supply
(U1, V1, W1, PE)
Cooling water
(inlet/outlet;
cf. Section 10.1, ”Di-
mensions of PSU” and
10.3, ”Cooling”)
to PSG; heat
(U, V)
X12 -- to weld timer
-- transfer of the actual current value with
SSU operation
-- signal response of welding current
X11 -- from PSG:
-- current sensor signal
-- temperature detector
X5 -- to/from weld timer
-- 5 kHz firing signal
-- temperature contact
-- weld timer power supply
-- 27 VAC synchronization voltage
X21 -- to/from PLC:
-- “Reset” signal
-- 24V for I/O
-- ”Stop current” signal (ext. enable)
-- binary encoded fault codes
(cf. Section 7, ”Monitoring and
diagnostics”)
X12 -- from weld timer
-- analog input signal for controlling the
inverter (in connection with weld time sig-
nal at X22); cf. Section 8.2
X11 -- from electrodes:
-- electrode voltage
X22 -- from weld timer
-- weld time signal for controlling the in-
verter (in connection with analog input
signal at X12)
X22 -- to fan control
-- 24VDC output (temperature--controlled)
X22 -- 24 VDC supply
-- 24VDC input (from external power supply
unit)
Summary of Contents for PSG 3000 Series
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Page 105: ...PSU 5000 PSG 3000 Instructions for Assembly and Operation Accessories 1070 078 224 108 14 4 ...
Page 113: ...PSU 5000 PSG 3000 Instructions for Assembly and Operation Index 1070 078 224 109 17 4 ...
Page 114: ...1070 078 224 109 98 10 GB MBA AT VWS Printed in Germany ...