MX32v2
ANALOG AND DIGITAL CONTROLLER
USER MANUAL
Revision D.0
The main power shall be connected to the terminal block as indicated in Figure 22. The ground
conductor shall be connected to the ground terminal . Connect earth before connecting L/N
conductors. Disconnect earth after disconnecting L/N conductors.
Figure 22: Connection of the main power supply
6.1.3 External 24Vdc Power Supply
MX32v2
should be powered by either a certified
(by CSA/UL depending on the
country of installation) Class 2 power supply
or a certified Limited Energy power
supply in accordance with CSA 61010-1-12 or UL 61010-1 or IEC 61010-1
standards (depending on the country of installation).
In this case, connect the 24Vdc power supply to the corresponding terminal (Figure 23, A). This
terminal is protected by a 4A fuse located below terminal tag A.
Figure 23: Connection of 24Vdc external power supply (A)
6.1.4 Grounding The
MX32v2
meets EMC and Low Voltage Directives requirements.
In order to fully comply with the class of protection, it is absolutely necessary to connect the
ground terminal to the Earth of the site (Figure 24, A). Moreover, the cable braids of the digital
and analog lines shall also be connected to this ground terminal.
Figure 24: Ground and braid connection
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