Operating Instructions
Contador
Page 10 of 40
Revision 6
© 2019 – Pfeuffer GmbH
2
Safety
NOTE
It is strictly prohibited to override the safety equipment or to change its function.
2.1
Installed safety systems
The installed safety systems must be checked at regular inspection intervals and using the appropriate
inspection methods. Refer to the following table:
Inspection interval
Inspection methods
d
=
daily
w
=
weekly
m
=
monthly
¼ y
=
quarterly
½ y
=
half-yearly
y
=
yearly
V
=
Visual check
F
=
Functional check
M
=
Measurement
2.1.1
Mains switch (plug/socket combination)
The main switch
I/0
is the mains disconnector, and also serves as the EMERGENCY OFF function. It is
located on the rear of the device.
Inspection
Interval
Method
m
V
The connector for the mains cable (C19/C20 coupler) is located on the back of the device.
In an emergency, switch off the CONTADOR using the main switch, position
0
.
Disconnect the mains cable from the electrical power supply, or pull out the coupler.
Secure the mains cable appropriately against unauthorized reconnection by placing
it where it can be monitored continuously.
Arrange the plug/socket combination at the place of installation so that it can be
observed clearly and reached quickly in an emergency.
2.1.2
Protective coverings
The CONTADOR is protected from any intervention in the machine during operation by means of a
plastic housing.
Inspection
Interval
Method
m
V