Connections; Rear Of The Instrument; Mains Power Connection - LEYBOLD GRAPHIX ONE Instruction Manual

5.3

Connections

5.3.1

Rear of the Instrument

Depicted in Figure 7, page 26 is the rear side of the GRAPHIX controller. The pin assignment
of the different connectors is described in the following sections.
5.3.2

Mains Power Connection

The mains connection on the rear side
accept a mains cord which on the instrument side is equipped with a cold-device plug.
NOTICE: Mains cord
Included in the delivery of the instrument is a mains cord. If the plug on the
mains power side is not compatible with your mains power outlets, you will
need a mains cord which meets the following specifications:
 Three-wire cable with protective earthing.
 Conductor cross-section: 3 x 0.75 mm² or greater.
 Cable length 2.5 m maximum.
DANGER: Mains voltage
Appliances, which have not been professionally connected to Earth, can be
life-threatening in the event of a malfunction. For this reason use three-wire
mains cords, respectively extension cords with protective earthing only. Insert
the mains plug into a mains power socket, which provides an Earth contact.
 Insert the plug of the mains cord into the mains socket provided on the instrument.
 Insert the mains plug of the mains cord into the mains outlet.
26
Figure 7 – Rear of the instrument
A Mains power connection with mains switch
and instrument fuses
B Earth connection
C1/C2 Connection of measurement channel 1 for
sensors (CH1 A and CH1 B)
D1/D2 Connection of measurement channel 2
(for GRAPHIX TWO and THREE only) for
sensors (CH2 A and CH2 B)
E1/E2 Connection of measurement channel 3
(for GRAPHIX THREE only) for sensors
(CH3 A and CH3 B)
F Relay output connection (Relay Output)
G Analogue output, chart recorder output
and external control connection (Control)
H RS232 or RS485 interface connection
(RS232/RS485)
( Figure 7, A, page 26) has been designed to
GA300550402_002_C1 – 10/2016