Appendix D: MODBUS Holding Registers
RMWH-SVX001C-EN 59
9 Gas Number
Channel 9
40042 Read Refer to “Gas Types,” p. 61
9 Gas Conc. 40043 Read ppm
9 Status 40044 Read Refer to “Channel Status Flags,” p. 61
9 Reserved 40045 Read 0
10 Gas Number
Channel 10
40046 Read Refer to “Gas Types,” p. 61
10 Gas Conc. 40047 Read ppm
10 Status 40048 Read Refer to “Channel Status Flags,” p. 61
10 Reserved 40049 Read 0
11 Gas Number
Channel 11
40050 Read Refer to “Gas Types,” p. 61
11 Gas Conc. 40051 Read ppm
11 Status 40052 Read Refer to “Channel Status Flags,” p. 61
11 Reserved 40053 Read 0
12 Gas Number
Channel 12
40054 Read Refer to “Gas Types,” p. 61
12 Gas Conc. 40055 Read ppm
12 Status 40056 Read Refer to “Channel Status Flags,” p. 61
12 Reserved 40057 Read 0
13 Gas Number
Channel 13
40058 Read Refer to “Gas Types,” p. 61
13 Gas Conc. 40059 Read ppm
13 Status 40060 Read Refer to “Channel Status Flags,” p. 61
13 Reserved 40061 Read 0
14 Gas Number
Channel 14
40062 Read Refer to “Gas Types,” p. 61
14 Gas Conc. 40063 Read ppm
14 Status 40064 Read Refer to “Channel Status Flags,” p. 61
14 Reserved 40065 Read 0
15 Gas Number
Channel 15
40066 Read Refer to “Gas Types,” p. 61
15 Gas Conc. 40067 Read ppm
15 Status 40068 Read Refer to “Channel Status Flags,” p. 61
15 Reserved 40069 Read 0
16 Gas Number
Channel 16
40070 Read Refer to “Gas Types,” p. 61
16 Gas Conc. 40071 Read ppm
16 Status 40072 Read Refer to “Channel Status Flags,” p. 61
16 Reserved 40073 Read 0
Section Register Name Channel # Index Property Notes