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3.

Use a #2 Phillips screwdriver to remove the four MGT circuit board 
screws.

4.

Lift up the MGT circuit board.

5.

Unplug the keypad connector.

Summary of Contents for ION 7700

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Page 3: ...r provide protection of people from injury Do not use the ION 7700 in situations where failure of the devices can cause injury or death or cause sufficient energy to be released that can start a fire The meter can be used for secondary protection functions Do not HIPOT Dielectric test the digital status inputs digital outputs or communications terminals Refer to the label on the ION 7700 meter for...

Page 4: ...l be limited to twice the amount of the relevant purchased product Not to limit the foregoing a Power Measurement shall not be liable for any claim other than a claim solely for the breach of one of the above Warranties that is made in accordance with the above described procedures made by the original purchaser its employees agents or contractors for any loss damage or expense incurred due to cau...

Page 5: ...e You Begin 6 Removing and Replacing the Meter Lid Xpress Card 7 Replacing the Comm Card 8 Using the RM Key 9 Installing the Terminal Strip Cover 11 Installing the ION 7700 Adapter Plate 12 Replacing the MGT Keypad 13 ...

Page 6: ...ons on the Service Considerations page Complete the following steps before attempting any retrofits 1 Turn off ALL power to the meter 2 Open all PT fuses or direct voltage input fuses 3 Close all CT shorting blocks 4 Ensure that all cables still connected to the meter are NOT live CAUTION The components inside the meter are extremely sensitive to electrostatic discharge To prevent damage to the un...

Page 7: ...ress Card it is mounted onto the meter lid 2 Lift the cover straight up to unplug the Xpress card from the main board inside the meter Replacing the meter lid Xpress Card 1 Line up the Xpress Card edges with the grooves in the meter chassis Slide down until the edges catches the slot in the main board Press firmly to plug the card in 2 Secure the lid onto the chassis using the four screws ...

Page 8: ...nal modem 1 Remove the meter lid Xpress Card The comm card standard or modem is located beside the power supply unit 2 Grasp the comm card and pull straight up to remove it 3 Ensuring proper orientation slide the replacement comm card into its slot and press down to plug it in 4 Replace the meter lid Xpress Card ...

Page 9: ...ugs into the same socket as the Auxiliary Analog Input Card If your ION 7700 meter is equipped with an Analog Input Card carefully remove it first and set it aside on a static protected surface 3 Hold the RMKey by its sides with the component side facing toward the side closest to the MGT DB9 connector Slide the edge of the card along the slot inside the chassis and lower the card toward the VAUX ...

Page 10: ...nected to the meter 2 Unplug and remove the RMKey to re enable all meter security systems 3 If the meter is equipped with the Aux Card applicable plug it back into the meter 4 Replace the meter lid Xpress Card 5 Install the lead wire seals through the sealing tabs ...

Page 11: ... they rest in the slots of the terminal strip cover Use the mounting screws to secure the terminal strip cover to the meter s first and third vent holes 2 If a tamperproof seal is required use the optional sealing can assembly Secure the sealing can C to the terminal cover A and meter chassiss using the mounting screw B Insert the ball bearing D then feed the sealing wire E through the hole to sec...

Page 12: ... Attach the adapter plate to the meter Use the four nuts to attach the MGT to the Adapter Plate Place the MGT and attached Adapter Plate into the mounting hole Use the four hex nuts and lock washers to secure the plate and meter to the panel If you want to attach your 7700 ION behind the MGT screw the four aluminum spacers to the four studs provided then mount the 7700 ION on the spacers 186 mm 7 ...

Page 13: ...13 Replacing the MGT Keypad 1 Use a 1 Phillips screwdriver to remove the six screws from the back of the MGT 2 Remove the display and backlight cables ...

Page 14: ...14 3 Use a 2 Phillips screwdriver to remove the four MGT circuit board screws 4 Lift up the MGT circuit board 5 Unplug the keypad connector ...

Page 15: ...all flat screwdriver to pry the corner of the keypad loose 7 Peel the keypad off the faceplate 8 The supplied adaptor is required to connect the new keypad connector to the old style header on the MGT circuit board ...

Page 16: ...tion 10 Peel the remaining adhesive backing from the keypad Be careful not to contaminate the adhesive or the LCD window with your fingers Holding the keypad connector down with one hand the adhesive backing can be peeled away without touching the back of the keypad 11 Feed the new keypad connector through the slot in the faceplate ...

Page 17: ...lign the top corners of the keypad Apply pressure over the entire surface of the keypad to firmly attach it to the faceplate 14 Attach the adapter to the keypad connector as shown with the white connector facing you Insert the keypad tail completely inside the adapter connector ...

Page 18: ...ll gently to make sure it is locked firmly the adapter should not slip 16 Attach the keypad adapter to the MGT circuit board as shown and make sure the connector is completely seated 17 Reposition MGT circuit board onto the four standoffs ...

Page 19: ...d and can be plugged in only the correct way 19 Reattach display connector be careful to line up the header properly 20 Replace the four screws to fasten the MGT circuit board to the faceplate Replace the back cover and fasten the six screws Your MGT is now ready ...

Page 20: ...us at Worldwide Headquarters 2195 Keating Cross Road Saanichton BC Canada V8M 2A5 Tel 1 250 652 7101 Fax 1 250 652 0411 Email support pwrm com www pwrm com 2004 Power Measurement Printed in Canada MRP 70050 0199 00 Revision Date Oct 4 2004 ...

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