Bosch Rexroth PST 6 0 Series, Operating Instructions Manual

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and Controls
PST 6xx0 | | 309 /330
Technical data
15 Technical data
For information on dimensioning and load, refer to Section 5.3 from
page 246!
Table 20: General data across power units
Type of construction 2-phase thyristor power supply unit incl. weld timer in
one housing
I/O interfaces According to I/O module used.
Refer to page 220 et seq.
Number of programs 256
Number of electrodes Type-specific. Max. 32 (0 ... 31). Electrode number 0
is reserved for special functions.
Program memory Battery-buffered RAM
Actuating variable for electrode force Depending on timer type as analog signal (at X2)
and/or digital via serial I/O array.
Analog signal is programmable as:
0 to +10 V, max. 20 mA or
0 to 20 mA or
4 to 20 mA (at max. 500 ohms).
Feedback for pressure/electrode force Depending on timer type 1 x digital input (24V
DC
;
3 mA; according to EN 61131-2 Type 3) or 2 x analog
input (0 ... 10 V).
Desired input can be selected type-specifically.
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