Expansion Card, Final Steps | Multi-Tech Systems 7600, 7500 specs

I/O Expansion Card	ION 7500 / ION 7600 User’s Guide

Final Steps

4.Ensure the cover meets the chassis of the base unit.

5.Use the Phillips screwdriver to replace the two backplate screws, as well as the nut on the chassis ground lug, with their lock-washers. They must be installed firmly to preserve transient immunity.

6.Reinstall the Line and Neutral (or DC power) wiring to the Control Power inputs of the unit.

7.Reconnect all other wiring (or re-enable all other circuits). Close the PT fuses (or direct voltage input fuses), and open the CT shorting blocks.

8.Turn on power to the meter and verify the correct operation of the unit.

I/O Expansion Card

The standard I/O expansion card has 8 digital (status) inputs labelled DI1 to DI8. Depending on what you ordered, the I/O expansion card will also contain either 4 analog inputs, or 4 analog outputs, or both. Check the label on the I/O Card for your I/O specifications.

Installation Instructions

The following steps should be taken before inserting an I/O Card into the meter:

1.Turn off all power to the meter.

2.Open all PT fuses (or direct voltage input fuses). Close all CT shorting blocks.

3.Disconnect the Line and Neutral (or DC power) wires from the Control Power inputs of the unit.

4.Disconnect all other wiring (or power off all other circuits) which may present potentially hazardous voltage levels to the unit, such as connections to the relay outputs, status inputs, etc.

5.Ensure that all cables still connected to the meter are NOT live.

Installing the I/O Card

The I/O Card consists of a circuit board with an attached polarized CHAMP connector on the component side. Follow these steps to install the I/O Card:

1.If present, remove the plastic tab that seals the I/O Card’s cover plate to the meter. Use the Phillips screwdriver to remove the plate’s two screws, then remove the plate.

2.Hold the I/O card by the sides and slide it into the base unit with the component side facing up. Slide the edge of the circuit board down the slots along each side of the chassis.

3.Align the CHAMP connector with the socket and press the I/O Card firmly into place. The socket and the connector are polarized, so the pins in the connector will not fit into the socket if the card is not oriented correctly. The I/O card is securely inserted into the socket when the backplate of the I/O Card meets the chassis of the meter.

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Chapter 6 - Hardware Reference

7500, 7600 specifications

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Multi-Tech Systems 7600, 7500 manual Expansion Card, Final Steps, Installing the I/O Card

Models: 7500 7600