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AMU-II Interface Options
Installation of the Interface Option
3
To install an interface option, proceed as follows:
1
Switch power off.
2
Loosen the four screws at the back of the AMU-II transmitter and
remove the backplate.
3
Pull the mainboard [B] completely out of the housing.
4
Plug the interface option onto the pins [D] on the mainboard.
5
Reinsert the mainboard into the housing, making sure to insert
both boards into the correct guide grooves.
6
Carefully press the mainboard [B] against the display board [C]
until it snaps into place.
Connector
Field
7
Remove the cover [F] from the connector field.
8
Apply the supplied sticker [G], [H] or [I] to the connector field.
9
Reinstall the backplate [E] onto the housing.
Mainboard:
Interface option:
Fourth guide groove from the bottom
First guide groove from the right
E
F
Backplate
Covered connector field
(condition at delivery)
G
H
I
Labeling for USB option
Labeling for RS485 option
Labeling for HART option
9 10
L/+ N/-
11 12131415 16
17 18 19 20 21
1 2 3 4 5 6 7 8
COM
F
E
G
H
I