Burkert Type 8693 - Manual (Page 30)

30
Description of system
11. Technical daTa
11.1. safety positions after failure of the electrical or
pneumatic auxiliary power
Actuator.system Designation
Safety.positions.after.failure.of.the.auxiliary.
power
electrical pneumatic
up
down
single-acting
control function A
down
pilot-controlled
control system:
down
direct-acting
control system:
not defined
up
down
single-acting
control function B
up
pilot-controlled
control system:
up
direct-acting
control system:
not defined
up
down
double-acting
control function I
down / up
(depending on the con-
nection of the control
cables)
not defined
Table 7: Safety positions
english
Type 8692, 8693