The connections can be accessed by opening the front housing of the instrument using the supplied key.
The connections are clearly labelled on the internal metal plate. Wires are inserted into the connector terminals by first using a small flat-head screwdriver or dedicated tool inserted into the small recess above the appropriate terminal. Pushing the screwdriver down into the mechanism opens the connector terminal allowing the wire to be inserted into the opening.
Before placing the wire into the connector, the wire must be stripped and crimped to ensure a good electrical connection. Once the wire has been sufficiently pushed into the terminal, remove the screwdriver to allow the mechanism to clamp the crimped end.
Give a gentle tug on the wire to make sure it has been clamped sufficiently by the connector.
Ensure mains cables are fixed in place using the mounting points provided. Details of the connections are given in Table 1 and Table 2 below:
The pin connections listed in Table 2 for the Ethernet connector are not labelled in the figure but relate to the internal connections of the RJ45 connector with ‘Pin 1’ on the left up to ‘Pin 8’ on the right.
The switches shown either side of the RS485 terminals in the figure allow setting of half duplex or full duplex mode.
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