Pfeiffer Vacuum TPG 36X Instrucciones De Instalación página 6

EN
Earthing
Connections
6-pin C91B appliance con-
nector
4
5
3
2 1
Connection "control"
6
 Connect the mains cable to the mains.
 Always ensure a safe connection to the protective earthing conductor (PE, protection
class I).
 To protect the unit in case of malfunction, carry out fuse protection in accordance with
the regional regulations.
– Select a fuse with slow characteristics.
If the unit is installed in a rack, the mains voltage must be supplied via a switched power
distributor.
On the rear side there is a screw to connect the TPG 36x via a protective ground if nec-
essary, for example, with the protective earthing of the pumping station.
Fig. 5: Protective ground
For each measurement channel, there is a female appliance connector on the rear of the
unit. At the TPG 361 the gauge connection sensor 2 does not exist.
 Connect the gauge to the sensor connector via a sensor cable set available from the
supplier or your own, screened (electromagnetic compatibility) sensor cable. Use
compatible gauges only.
Pin Signal
1 Identification
6 Supply (+24 V DC)
2 Supply common (GND)
6
3 Signal input (0 ... +10 V DC)
4 Signal common
5 Screening
This connector allows to read the measuring signal, to evaluate the state of the floating
contacts of the error relay, and to activate or deactivate the gauges.
 Connect the peripheral components to the control connector on the rear of the unit us-
ing your own, screened (electromagnetic compatibility) cable.
– A suitable connector is supplied with the TPG 36x.
X
X: Do not unfasten this screw
(internal ground protection)