Operating Instructions
3.5
Safe end position
Drive type
Designation
Single-acting
Control function A
up
down
Single-acting
Control function B
up
down
Safety end positions after failure of the auxiliary power
Electrical
Pneumatic
FC
Type SPC
Control system with low air flow (DN 0.6): Not defined
Type SPC*
Control system with large air capacity (DN 2.5): down
FO
Type SPC
Control system with low air flow (DN 0.6): Not defined
Type SPC*
Control system with large air capacity (DN 2.5): up
Type SPC positioner
15