Block Diagram Of Timer - Bosch WT PSI 6 Series Technical Information

System
1.2

Block diagram of timer

+24V
Power supply,
voltage sup-
ply,
see
section
7.2
CPU
Battery,
see sect.
12.1
Figure 4: Block diagram of timer
1-4
PSI 6XXX.190 W1
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.
Output,
thyristor
unit
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)
I/O interface
KSR
[1]
see
section
7.3
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
1070 080 086-101 (01.01) GB
[5]