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FX-1PG/FX
-1PG PULSE GENERATOR UNIT
2N
11.
DIAGNOSTICS
11.1
Preliminary Checks and Error Indication
< To ensure correct operation >
Make sure that the PGU I/O wiring and the extension cable connections are correct.
Indicate clearly the special block No. on the panel face by adhering the labels offered as accessories.
One PGU can occupy up to 8 points (including both inputs and outputs). Power of 5 V, 55 mA is required to be supplied
from a main unit or an extension unit.
Calculate and make sure that the total current required by all of the special blocks does not exceed the allowable
current of the main unit or the extension unit used.
In any positioning operation, the specified data should be written preliminarily to the BFMs #0 to #24, then the BFM #25
should give an appropriate command. Otherwise, the PGU does not function.
Sometimes, however, data writing may not be required for some or all of the BFMs #0 to #24 depending on the
operation mode.
Generally, the BFMs #0 to #15 save the standard data, and the BFMs #17 to #24 save the operation data. For the data
to be set, see Section 6.6.
< Error indication >
LED indication
The PGU panel has the following LEDs:
Power indication : The POWER LED is lighted when 5 V power is supplied from the PC.
Input indication
: When STOP, DOG or PG0 is received by the PGU, the corresponding LED is lighted respectively.
Output indication : When FP, RP or CLR is output by the PGU, the corresponding LED is lighted respectively.
Error indication
: When an error occurs, the ERR LED flashes and the start command is not accepted.
Error check
Various errors can be checked by reading the contents of the BFM #29 to the PC.
For the error descriptions, see Section 5.6.
< Note >
When performing the withstand voltage test of the FX-1PG, make sure to measure the voltage between the entire terminals
and the ground terminal.
When performing the withstand voltage test of the FX
voltage between the entire terminals of the FX
DIAGNOSTICS
-1PG, make sure to use the PC main unit also and to measure the
2N
-1PG and the ground terminal of the PC main unit.
2N
11
11-1
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