Burkert 8642 Manuel D'utilisation page 16

• Bürkert piezo-valves type 6520 may be connected to the terminals for
actuators. Observe polarity. More detailed instructions for connection and
operation of the valves are to be found in the PTB Test Certificate and in the
Operating Manual for the valves.
Connection of the sensors to the terminals:
Polarity
Terminals
"
"
"
"
"
"
"
Connection of the actuators to the terminals:
Polarity
Terminals
"
"
"
Two sensors are always allocated to a valve. The sensors report the end
position of a connected process valve. The inputs can also report other
process parameters independent of the valves (e.g. scraper end positions).
- +
152 151
142 141
252 251
242 241
352 351
342 341
452 451
442 441
- +
148 147
248 247
348 347
448 447
Observe polarity!
Observe polarity!
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