Serial Communication Settings; Setting Relay Trigger Points - Vaisala CARBOCAP GMT220 Series User Manual

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SER S UIDE
CHAPTER 4

SERIAL COMMUNICATION SETTINGS

Table 1

Setting relay trigger points

The relays of the transmitter turn
reaches the predefined trigger point. These points can be changed by
using the
software. There are two trigger points for both of the relays. The
higher limit activates the performance of the relay and the lower
deactivates it. The two limits are used to prevent the relay switching
back and forth when the measured value is very close to set point.
where:
x
yyy = trigger point (CO
Example of setting the higher trigger limit of the relay 1:
>MF_R1_HIGH 1200
MF_R1_HIGH=1200.0000
>
Remember to save the settings.
NOTE
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Serial interface settings
Baud rate
Parity
Data bits
Stop bits
adapter (19040GM), a computer and a suitable terminal
COM
MF_Rx_HIGH yyy<cr>
= 1 or 2 (number of the relay)
9600
none
8
1
/ when the CO
ON OFF
content in ppm)
2
content
2