Connecting The Relay Outputs - TESTO 6381 Instruction Manual

4 Transmitter
1. Feed connection cables of the one, or optionally three,
channels through opened M 16 x 1.5 screw connection (item (8)
in the 4.3.3.1. overview of terminals).
2. Strip the cable ends, clamp wire end ferrules on and screw to
channel terminals as shown in diagram.
3. Close M 16 x 1.5 screw connection (item (8) in the 4.3.3.1.
overview of terminals).
4.3.3.3.

Connecting the relay outputs

There is the option of twelve terminals for a total of four relays. The
designations NC/C/NO (normally closed contact/root or
pin/normally open contact) are etched on the surface of the board.
Using PG screw connection
1. Feed connection cables for the relays through opened
M 20 x 1.5 screw connection (item (10) of overview of
terminals).
2. Strip cable ends and clamp on wire end ferrules.
3. Connect relays according to chosen function (NC/NO) (see
diagrams below; relay 1 is shown as an example of a
connection).
Using plug-in connections (optional)
4. Clean the connector of the probe line and the coupling of any
foreign matter.
30
Only have the transmitter wired and connected by
authorized personnel with the voltage disconnected.
Only insert or disconnect the plug-in connection when the
voltage is disconnected.
Do not disconnect the connector of the probe line from the
instrument for extended periods to protect against
contamination.
Relay terminal strip,
item (3) of overview of
terminals