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4.9 Min/Max Log
The Min/Max log read request is supported only for compatibility with other models of instruments.
Because the Min/Max log is not time stamped in the PM130, this request returns you only values of the
Min/Max log parameters which you can read directly via extended data registers (see Table 5-7).
Table 4-19 Read Request
Message type (ASCII)
O
Message body (hexadecimal)
Request
Field Offset Length Parameter Range
1 0 4 Start Min/Max parameter ID see Table 5-7
2 4 2 The number of subsequent parameters to
read
1-12
Response
Field Offset Length Parameter Range
1 0 2 The number of parameters in message 1-12
2 2 2 Log parameter #1 Second 0
3 4 2 Minute 0
4 6 2 Hour 0
5 8 2 Day 0
6 10 2 Month 0
7 12 2 Year 0
8 14 8 Parameter value see Table 5-7
9 22 2 Log parameter #2 Second 0
10 24 2 Minute 0
11 26 2 Hour 0
12 28 2 Day 0
13 30 2 Month 0
14 32 2 Year 0
15 34 8 Parameter value see Table 5-7
. . .
79 222 2 Log parameter #12 Second 0
80 224 2 Minute 0
81 226 2 Hour 0
82 228 2 Day 0
83 230 2 Month 0
84 232 2 Year 0
85 234 8 Parameter value see Table 5-7
This request allows you to obtain the Min/Max log parameters. Up to 12 parameters can be read in one
packet from a single parameter group. The available Min/Max log parameters are listed in Table 5-7. The
time stamp is not available in the PM130 and is padded with zeros.
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