User Manual

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Siemens Control device PN40, safety function to DIN EN 14597 CE1N4388en

Smart Infrastructure 2020-01-09

Override control input can be operated in following different modes of operation

Z-mode

no function

fully open

closed

override with 0…1000 Ω

Connections

Transfer

linear or equal-percentage

• Z-contact not connected

• Valve stroke follows Y-

input

• Z-contact connected

directly to G

• Y-input has no effect

• Z-contact connected

directly to G0

• Y-input has no effect

• Z-contact connected to M

via resistor R

• Starting position at 50 Ω /

end position at 900 Ω

• Y-input has no effect

Shown operation modes are based on the factory setting «direct acting»

Y-input has no effect in Z-mode.

Accessories

ASC9.3

double auxiliary switch

ASZ7.3..

potentiometer

adjustable switching points

ASZ7.3: 0…1000 Ω

ASZ7.31: 0…135 Ω

ASZ7.32: 0…200 Ω

ASC1.6

Auxiliary switch

Switching point 0...5 % stroke

Override control

input Z

MK..662..

Note

MK..632..

MK..662..