Timing Charts - Omron K7GE-MG User Manual

4 Functions Related to Measurement
4-1-4

Timing Charts

Timing Charts for Measurement Start/End/Stop
The relationship between the timing of measurement start, end, and stop during automatic
measurement by a trigger signal, and each display and contact output is described using a specific
example.
The configuration and initial settings are as follows:
•
Connect the contactor auxiliary contact of the load to the trigger input
terminal
•
Connect three Probe Units
•
The channel number setting of each Unit is channel 1, 2, and 3 from the left
•
Set the setting value of the Maximum Number of Channels setting parameter
to 3
•
Set the setting value of the Trigger Signal Reverse setting parameter to OFF
Power supply
External contact OFF
Trigger signal
Measurement operation
Status output during
measurement
MEAS indicator
ALM 1, ALM 2 output
Alarm output indicator
ALM indicator
Main display
(1) Power ON
Even if the external contact is already OFF when the K7GE-MG
power is turned ON, enabled trigger signals are not accepted.
---- is displayed on the main display part, indicating
measurement standby.
(2) Start automatic measurement
The trigger signal turns ON when the external contact changes
from ON to OFF, and automatic measurement starts. The
following parts operate simultaneously with the start of automatic
measurement.
• Status output during measurement turns ON
• TRIG indicator is lit on the measurement step indicator
• The countdown until the measurement completes for
channel 1 is displayed on the main display part
4 - 8
ON
ON
ON
Motor stop
CH1 CH2 CH2
standby
ON
OFF
CH1 CH2 CH2
OFF
CH1 CH1
OFF
CH1 CH1
OFF
CH1 CH1
----
C/D C/D
Countdown
CH1 CH2 CH2
(1) (2) (3) (3)
Start automatic
measurement
Motor stop Motor stop
CH3 CH3
standby standby
OFF OFF
CH3 CH3
OFF OFF
+CH2 +CH2 +CH3 +CH3
OFF OFF
+CH2 +CH2 +CH3 +CH3
OFF OFF
+CH2 +CH2 +CH3 +CH3
C/D C/D Results Results Countdown Countdown
display display
CH3 CH3 CH1 CH1
(4) (4) (5) (5) (6) (6)
Measurement Measurement
end e d end
Insulation Resistance Monitoring Device User's Manual (N224)
MC-a
Trigger input
(1) (2)
CH1 CH1 CH2 CH2
OFF OFF
CH1 CH1 CH2 CH2
CH1 CH1 +CH2 ON +CH2 ON
CH1 CH1 +CH2 ON +CH2 ON
CH1 CH1 +CH2 ON +CH2 ON
C/D C/D CH2 CH2
trig flashes trig flashes
CH2 CH2
(7) (7)
Measurement Measurement
stop stop p
MEAS MEAS
TRIG FIN
LVL
----
1 ALM ALM
CH
MANU ERR AGE CH1 CH2
ALM 2
ALM 1
MEAS MEAS
TRIG FIN
LVL
--91
1
ALM ALM
CH
CH1 CH2
MANU ERR AGE
ALM 2
ALM 1
(3)
MEAS
ALM
CH3
MEAS
ALM
CH3