Reftek 130-SMHR/9 User Manual page 30

Rev A
5. Set the bottom base plate of the case as shown.
6. Disconnect the cables from the RT570 SMI board
Note: The accelerometer connection labels are on each cable and match the numbers on the RT570 board. Make
sure the gasket stays in the base of the 130-SMHR/9 assembly.
7. Set the enclosure on a static free surface upside-down on its connectors.
Note: It is possible to reach down inside the case with a pair of needle nose pliers to change the power jumper
without removing the 130-SMHR/9 board stack. See the figure below.
8. To change channels 4-6 to output +24 volt sensor power change jumper JP7 to cover pins 2-3. Refer
to the figure below.
Moving the jumper away from the board stack sets the jumper to 24V.
Moving the jumper towards the board stack sets the voltage to 15V.
9. To change channels 7-9 to output +24 volt sensor power change jumper JP8 to cover pins 2-3. Refer
to the figure below.
10. Refer to the next steps to assemble the 130-SMHR/9.
To assemble the 130-SMHR/9 as follows:
1. Re-attach the 147A accelerometer cables to the RT570.
20
REF TEK 130-SMHR/9 Users Guide
98060-00-UG
Channels 7-9
JP8
Channels 4-6 JP7
Reftek Systems Inc.
5/6/2021