Hirschmann MACH 1020, User Manual

Page: 33 / 64

Installation MACH1000
Release 02 03/2013
33

Connecting the plugged voltage supply (power supply units
“L” and “M”)
Note: Note the permitted voltage ranges for devices with
certification type “T” (EN 50155 railway (train) - see product code
item 38 in
table 5 ).
Note: Relevant for North America:
The torque for tightening the supply voltage terminal block on the device
is 4.5 lb in (0.51 Nm).
Note: The terminal blocks for devices with power unit type “M” (type “L”)
are coded to prevent them from being accidently connected to devices
with power unit type “L” (type “M”).
Figure 11: Power supply unit “L”, DC voltage (see page 52 “General technical data”)
Connection for
1 - supply voltage
2 - signal contact
WARNING
ELECTRIC SHOCK
Only connect a supply voltage as described in the data plate of your device.
Never insert sharp objects (small screwdrivers, wires, etc.) into the
connection terminals for the supply voltage, and do not touch the terminals!
Failure to follow these instructions can result in death, serious injury,
or equipment damage.
1 2
Relay