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Byte
Address
Description
without
offset
59
52
Laser Head_1
60...63
reserved, for future consideration
64 ...
Head_2
84 ...
Head_3
104 ...
Head_4
124 ...
Head_5
144 ...
Head_6
164 ...
Head_7
184 ...
Head_8
14.2.2 Input Data
The input data consists of modules that have a fixed position in the data field. There are two types of
modules: <Box data> and <Data for one head>.
Module <Box data> consists of one byte in which bit0 gives the trigger state (configuration 0x12).
Module <Head data> consists of two bytes object temperature and two bytes head temperature
(configuration 0x51). The format is 1/10 °C/°F.
The slave expects one <Box data> module configured at the first position, followed by <Head data>
modules. Any other configuration will cause a configuration error.
The input data length gets calculated from the count of configured modules. So, if only one head is
connected and configured then only seven bytes are transferred. If all heads (maximal eight) are
connected and configured then 35 bytes are transferred. If only one head is connected but eight heads
are configured then also 35 bytes are transferred.
MI3
Address
Description
0
Box data: Trigger state
1, 2
Box data: Internal temperature
3, 4
Head 1: Object temperature
5, 6
Head 1: Head temperature
7, 8
Head 2: Object temperature
9, 10
Head 2: Head temperature
11, 12
Head 3: Object temperature
13, 14
Head 3: Head temperature
15, 16
Head 4: Object temperature
17, 18
Head 4: Head temperature
19, 20
Head 5: Object temperature
21, 22
Head 5: Head temperature
23, 24
Head 6: Object temperature
25, 26
Head 6: Head temperature
27, 28
Head 7: Object temperature
29, 30
Head 7: Head temperature
31, 32
Head 8: Object temperature
33, 34
Head 8: Head temperature
Rev. G Nov/2015
Format
0 = off, 1 = on,
2 = flashing
Profibus
Range
0 or 1
93
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Questions and answers
I am currently installing 4 modules, each with 2 of the Raytek MI3 units. 7 of the units arrived with the normal display (Bottom Unit in photo), but 1 has only a full white block in the display. Is this indicative of a failed unit, or would this require external adjustments. These units always work when received, so I am unfamiliar with the required troubleshooting.