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1.2
Block diagram of timer
+24V
Synchro-
Power supply
nization,
voltage sup-
ply,
see
section
7.2
CPU
Battery,
see sect.
11.1
Figure 4: Block diagram of timer
1070 080 056-101 (99.09) GB
PST 6101.321 / PSI 6101.321
On the front panel of the timer is a V24 interface. This can be used for connecting a laptop
computer or an operating terminal (BT), for example, for programming as well as operat-
ing the timer locally.
27VAC
Output,
thyristor
unit
see
see
section
section
7.3
7.3
Real-time
RAM
clock
[2]
[1]
Constant current regulation
[2]
RAM for storing the welding parameters
[3]
Flash Memory for storing the operating system
[4]
V24 interface, for connecting a PC or a BT operating terminal on location for pro-
gramming and monitoring. The operating system can be loaded from this inter-
face.
[5]
Field bus interface (option)
KSR
I/O interface
[1]
see
see sec-
section
tion 7.3
7.1.3
BUS
Flash
Memory
[3]
Programming terminal
Pressure
valve,
see
section
7.1.2
V_24,
Field bus
see sect.
7.1.1
[4]
more timers
System
[5]
1-5
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