ACOEM Met One Instruments GAS-1060, User Manual

Page: 159 / 164

Parts List Page 159
bcc1 First byte of the block check calculation.
bcc2 Second byte of the block check calculation.
Device response
The instrument responds with a variable length string, depending on how many measured gasses
have been assigned an ID above 0. The text between the [ ] will be repeated once for each reported
gas.
<STX>{MD}{cc}[<SP><kkk><SP><+nnnn+ee><SP><ss><SP><ff><SP><mmm><SP>eeeeee<SP>]<ETC><
bcc1><bcc2>
Where:
<SP> Space (0x20 hex).
cc The number of gasses reported (0..5). The text in between the [ ] will
be repeated once for each gas reported.
kkk The Bayern-Hessen instrument ID.
+nnnn+ee Gas concentration.
ss Status byte (see table below for individual bits).
ff Failure byte (see table below for individual bits).
mmm Gas ID.
eeeeee Ecotech instrument ID.
bcc1 First byte of the block check calculation.
bcc2 Second byte of the block check calculation.
Table 22 – Status Bit Map
Status Bit Meaning if set to 1
0 Instrument off (this value is always set to 0).
1 Out of service.
2 Zero mode.
3 Span mode.
4 -
5 -
6 Units: 1 = Volumetric, 0 = Gravimetric.
7 Background mode (S30 and S50 family only).