User manual SEFELEC 5x Series
157
v1.06
MEASUREMENT-DISCHARGE CYCLE
Note:
The PLC (Programmable Logic Controller) function must be select-
ed in the configuration menu (Interface: PLC).
To make a measurement
(
see diagram no. 2)
Activate the
CTRLIN
signal (High Logic state).
The PLC must specify the measurement function on the
standard
input.
The PLC must choose a setting number that will be encoded in binary on inputs
N0
to
N7
,
N0
being the least significant bit and
N7
being the most significant bit.
Put the signal
MES
_
DCH
at the high logic state to start the measurement. Note: The
status of the inputs
CTRLIN
,
Type
,
N0 to
N7
are only taken into account on a rising
edge of the
MES_DCH
signal. This signal must be in the high state during the meas-
urement.
As soon as the first measurement is done, the device sends a
CTRLOUT
signal
which remains stable until the validation (by a rising edge of the signal
MES_DCH
) of
the setting to the low state of the
CTRLIN
signal. Other signals may appear depend-
ing on the progress of the test: an error signal (
ERROR
), an end of test (
EOT
) signal,
and a signal indicating if the test is PASS or FAIL (
PLCPASS
or
PLCFAIL
). All these
signals are active at the high logic state.
To switch to discharge, put the signal
MES_DCH
at a low level. To restore the local control
to the device, eliminate the high state on the
CTRLIN
signal, enable a high state on
MES_DCH
, and disable it (see diagram no. 1).
Diagram No 1: Disabling of the CTRLOUT signal
Summary of Contents for SEFELEC 5 Series
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