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36 MX43
User
manual
2. Connect the battery pack connector to the connector (B) of the PCB. A
failsafe slot impedes any connection error.
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Figure 28: Positioning the battery pack.
Earthing
The MX43 is intended to be used in the parts of installations corresponding to
the category of overvoltage II and pollution degree 2 as per EN/IEC 60947-1.
In order to comply with this category of protection, it is absolutely necessary to
connect the ground terminal.
(Figure 26. Grounding at site. Moreover, the cable braids of the digital lines shall also be
connected to this ground rod. (Figure 29: Ground connection through the ground rod.
9 A).
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Figure 29: Ground connection through the ground rod.
Digital lines
The cabling of the digital lines connecting the central unit to the different
modules deployed along the lines are the subject of the paragraphs
OLCT1ON Modules, 4- or 8-relay modules, 16-logic input modules, 8-analog
input modules and 4-analog output modules
of this same chapter. It should be
remembered that this cable comes in 2 twisted pairs of 4 x 0.22 m² minimum,
type MPI-22A, nominal resistance of 120 Ohms.
Internal alarm relays
The MX43 has 6 relays of the following internal alarms:
Output
Function
R1
Relay of freely programmable function
R2
Relay of freely programmable function
R3
Relay of freely programmable function
R4
Relay of freely programmable function
R5
Relay of freely programmable function
Failure :
Non-programmable common relay in positive safety, activated upon the presence
of a failure in the MX43 (detector and/or module, increased internal temperature,
Содержание MX 43
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