Dedicated Commands
22 Rev. B4 Aug 2019 MP150 Protocol
5.3 Zones
A sector is calculated for each line; its result is bound to one line. If the result is calculated for multiple
lines then the sector becomes a “Zone”, see Figure 4.
Figure 4
These commands are used to control the zone functions at the analog outputs, and to define the snapshot
mode for the digital interface:
ZD, ZM, ZW, ZZ, ZT, TF
ZM switches the zone mode on/off and defines the conditions necessary to initiate a zone. The parameter
0 switches the zone mode off (turns off averaging, minimum or maximum between lines of the analog
output as prescribed by SC). When using the parameter 0 for the digital interface, the LC value will
determine the number of lines returned when an STX is sent.
The parameter 1 starts the zone with a timer for a cycle time given with command ZZ.
The parameter 2 starts the zone with the external trigger signal.
The parameter 3 starts the zone if the temperature threshold, given with command ZT, is crossed. The
transition direction is given with the command TF: If the TF (temperature transition direction) is set to
a 1, the zone will start as soon as one pixel moves above the ZT temperature provided that the zone has
been reset by having all its pixels below the ZT temperature.
For a new zone to occur, a reset must occur. If the parameter 2 is used for TF, the opposite temperature
transition conditions will activate/reset zones.
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