Pin (M12)
Assignment
1
Power supply
2
Output 1
3
Output 2 (optional)
4
4 - 20 mA maximum load:
500 Ω output (optional)
5
Power supply outputs
PIN 5 must be used to establish the grounding connection
Personnel:
n
Qualified electrician
Protective equipment:
n
Protective work clothing
n
Safety boots
DANGER!
Risk of injury when entering the operating space of
the super-ordinate machine and its moving parts
CAUTION!
Risk of injury due to improper assembly and instal-
lation
WARNING!
Risk of personal injury or property damage due
electric current
Ensure the following before electrical connection:
n
The mains voltage is within the permissible limits of the flow
sensor (see technical data or type plate).
n
The power supply is fitted with overload protection.
n
Only approved cables with fire protection properties are used
for the connections.
n
All long or hanging cables are secured with an approved
mounting system.
n
All electrical connections are clean.
1.
Ensure the higher-level machine is securely switched off with
the power disconnected.
Disconnect the higher-level machine from the mains if neces-
sary and ensure it cannot be switched back on unintention-
ally.
Assembly and installation
Electrical connection
05.03.2020
Flow sensor PF55S
39
