Hirschmann MACH 1020, User Manual

Page: 34 / 64

34
Installation MACH1000
Release 02 03/2013
Figure 12: Power supply unit “M” (see page 52 “General technical data”) :
AC voltage (pictured on right) or DC voltage (pictured on left)
Connecting
1 - Supply voltage
2 - Signal contact
For every supply voltage to be connected, perform the following steps:

Ensure the required conditions for connecting the supply voltage are
observed
(see page 5 “Supply voltage”) .

Remove the power connector from the device.

Connect the protective conductor to the protective conductor terminal.

Connect the lines for the supply voltage to the ter/L and − /N.

Mount the terminal block on the device using screws.
Connection Type “L” Type “M” VDC Type “M” VAC
, pin 1 Protective conductor Protective conductor Protective conductor
-/N, pin 2 Minus terminal of the
supply voltage Minus terminal of the
supply voltage Neutral conductor
+/L, pin 3 Plus terminal of the
supply voltage Plus terminal of the
supply voltage Line conductor
Table 8: Pin assignment of terminal block for voltage supply
WARNING
ELECTRIC SHOCK
Only start connecting the supply voltage if all the above mentioned
requirements are fulfilled.
(see page 5 “Supply voltage”)
Failure to follow these instructions can result in death, serious injury,
or equipment damage.
1 2
Relay
-/N +/L -/N +/L
G
Relay
1 2