Electrical Connection - TESTO 6440 Instruction Manual

Electrical connection

The instrument may only be connected by an electrician. Follow
the national and international regulations on the installation of
electro-technical systems.
Voltage supply according to EN50178, SELV, PELV.
Switch the system to zero potential and connect the instrument
as follows:
Define
in Menu
OU1
Output 1
OUT 1
OU2
Output 2
OUT 2
testo
6440
BN = brown
WH = white
BK = black
BU = blue
ImPR = Yes ➝ Pulse output,
* If
ImPR = No ➝ Switch output (pre-selection counter,
cf. page 22
38
4 alternatives
(Switch)
Hno / Hnc
Hno / Hnc
Fno / Fnc
Hno / Hnc
Fno / Fnc
(Switch)
BN
WH
OUT
2
BK
OUT
1
BU
(Switch)
ImP
(Impulse)
Fno / Fnc
Hno / Hnc
I
Fno / Fnc
Current
(Switch)
output
ImP
(Impulse)
I
Current
output
L + (19...30 VDC)
0 VDC