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Flintec MCS-64 ModbusOnEthernet User Manual

Page 28

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Manual MSC-64: Modbus on Ethernet

5.8 Trigger Commands – SD, MT, GA, TE, TR, TL

Remark: These commands are

only available in firmware 88.183 (see time diagram page 30);

the TR command is also available in the 88.184 firmware.

Note: All setups should be stored with the WP command before power off.


SD

Start Delay 0 … 500 ms

[ Register = 2412, Type = Int32 ]

[ Register = 211A, Type = Int32 ]

Set the delay between falling/rising edge of trigger pulse and start of measurement.
Value range is 0 … 500 ms.

Master (PC / PLC) sends

Device responds

Result

SD S+00100

Request: SD=100 ms

SD_200 OK

Setting: SD=200 ms

Factory default: 0 [= 0 ms]


MT

Measuring Time. Range 0…500 milliseconds

[ Register = 2410, Type = Int32 ]

[ Register = 210E, Type = Int32 ]

Set the time over which the average value will be built. Value range is 0 … 500 ms.

Master (PC / PLC) sends

Device responds

Result

MT M+00100

Request: MT=100 ms

MT_500 OK

Setting: MT=500 ms

Note: MT = 0 means disabled trigger and average function. Factory default: 0


GA Get

Average

[ Register = 2008, Type = Float ]

[ Register = 2028, Type = Int32 ]

Issuing the GA command the LDM 88.1 returns the latest average weight value by using the MT
setup.

Master (PC / PLC) sends

Device responds

Result

GA A+01.100

Answer: GA=1.100 g

Note: During the time between the trigger condition being accepted and the average value
being updated, the GA command will return the value 99999 when it has been triggered or
88888 when it has been retriggered or 99996 when the system tried to change Tare or Zero
before end of measurement.