Bosch PSI 6XXX.350 L1 Series Technical Information page 80

Timer and i/o level
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<Weld/No weld>
1070 080 067-101 (2001.03) GB
PSI 6XXX.350 L1
If the sum of all firing settings (logical AND operation) is switched on when a <Spot selec-
tion> is active, the <Weld/No weld> signal is output.
-
<Weld/No weld> signal ON:
All firing settings for the selected via <Spot selection> program of the timer are
active. The [Sequence] is performed with welding current.
-
<Weld/No weld> signal OFF:
One of the firing settings is inactive, or no <Spot selection> has been activated.
The [Sequence] is performed without welding current.
If <Weld/No weld external> has been switched off, a timer status message is displayed
at the programming terminal.
Firing settings:
-
<Weld/No weld external> signal
-
Programming of weld/no weld internal for all programs in the menu Programming -
Basic Setup - Sequence Setup.
-
Programming of program-specific firing for one program in the menu Program-
ming - Basic Setup - Sequence Setup.
For all timers
<Weld/No weld ex-
ternal>
internal
off
off
off
off
on
on
on
on
[1] Caution: Program-specific firing may be active for other programs
Figure 22: Firing settings
Program-specific
firing
Weld
off
off
off
on
on
off
on
on
off
off
off
on
on
off
on
on
Electrical connection
Program-specific
sequence
Sequence without
welding current
Sequence without
welding current
Sequence without
welding current
Sequence without
welding current
Sequence without
welding current
Sequence without
welding current
Sequence without
[1] welding current
Sequence w i t h
welding current
7-39

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