HP 5334B Service Manual page 188

1.
To force the REN line (U10 pin
1 1
and 12) HIGH, send the HP-IB command: LOCAL 7
BASIC Program:
10 REMOTE 7
20
LOCAL 7
30 END
RUN
2.
To force the REN line LOW, send the HP-IB command: REMOTE 7
BASIC Program:
10 LOCAL 7
20 REMOTE 7
30 END
RUN
b. When the IFC (INTERFACE CLEAR) latch output at U8 pin 6 goes LOW, the HP-IB MCU tries
to clear the latch.
To check the IFC line (U8 pin I), use the following program.
BASIC Program:
10 ABORT10 7
RUN
This program outputs pulses on the IFC line of the HP-IB bus. The latch should output the same pul-
ses at U8 pin 6 except when the latch output is LOW, the HP-IB MCU tries to clear the latch which
causes the output to go HIGH momentarily.
HP 5334B
-
Service Manual
8-68