User's Manual

Table Of Contents
Electrical Connection
T40FM A3276-8.0 HBM: public 51
The information in this Chapter relates to the self-con
tained operation of the T40FM without HBM system solu
tions.
The supply voltage is electrically isolated from signal out
puts and shunt signal inputs. Connect a separated extra-
low voltage of 18 V 30 V to pin 3 (+) and pin 2 (
) of
plugs 1 or 3. We recommend that you use HBM cable
KAB 8/00-2/2/2 and the appropriate sockets (see Ac
cessories). The cable can be up to 50m long for voltages
24V, otherwise it can be up to 20m long.
If the permissible cable length is exceeded, you can feed
the supply voltage in parallel over two connection cables
(plugs 1 and 3). This enables you to double the permiss
ible length. Alternatively, install an on-site power supply.
Important
The instant you switch on, a current of up to 4 A may flow
and this may switch off power packs with electronic cur
rent limiters.