OHAUS 80500733 Manual De Instrucciones página 4

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RS232 Option Kit
2.3 80500733 Installation in T51P and T71P
WARNING: ELECTRICAL SHOCK HAZARDS EXIST WITHIN
THE HOUSING. THE HOUSING SHOULD ONLY BE OPENED
BY AUTHORIZED AND QUALIFIED PERSONNEL. REMOVE
ALL POWER CONNECTIONS TO THE UNIT BEFORE
OPENING. IF THE UNIT CONTAINS AN OPTIONAL RELAY
CONTROL BOARD, ADDITIONAL AC OR DC POWER
CONNECTIONS MAY STILL EXIST WITHIN THE HOUSING.
Refer to Figure 2.3 when performing these steps.
1. Remove the four screws from the corners of the rear housing.
2. Pull the front housing forward.
3. Remove the plastic hole plug located next to the existing RS232 connector on
the rear housing.
3. Install the strain relief bushing in the exposed hole.
4. Attach the RS232 pc board to the rear housing using the two self tapping
screws supplied.
5. Connect the long cable to connector J1 or J4 on the RS232 pc board and
connector J8 on the main pc board.
Note: If the Relay option pc board is already installed, do not use the long
cable. Connect the short cable between the RS232 pc board and the Relay pc
board instead.
6. Feed the communication cable through the strain relief bushing and under the
left side of the main pc board.
7. Attach the wires of the communication cable to the terminal block on the
RS232 pc board.
8. Position the cable in the slots along the left side of the rear housing.
9. Pull the excess cable through the strain relief bushing and tighten the external
nut on the bushing.
10. Close the housing and reinstall the four screws.
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