Honeywell Midas User Manual page 147

Ref. Addr.
Bits Function
Reg. Name
0 Maintenance fault active
1 Instrument fault active
2 Flow fault active
40018 FSI
3 Internal communication fault active
4 Pyrolyzer fault active
5 Sensor fault active
6 Range over fault active
7-15 Reserved for future expansion
40019 HST1
Concentration high scale in floating point format, scaling same as FCN1 and FCN2
40020 HST2
40071 DSN1
Detector serial number in ASCII code format, maximum 10 characters (2 characters per addresss)
40072 DSN2
Example - for serial number ABCD12345, the address values are:
40073 DSN3
40074 DSN4
40075 DSN5
40076 SSN1
Sensor serial number in ASCII code format, maximum 10 characters (2 characters per addresss)
40077 SSN2
Example - for serial number ABCD12345, the address values are:
40078 SSN3
40079 SSN4
40080 SSN5
0 Warm-up (STTS nibble0 value = 0)
1 Monitor mode (STTS nibble0 value = 1, 2, 3, 4)
40081 MSI 2 Test mode (STTS nibble0 value = 5, 6)
3 Maintenance mode (STTS nibble0 value = 7, 8)
4-15 Reserved for future expansion
Address 40071
Value 0x4142
Address 40071
Value 0x4142
A-5
Midas
Value Enumeration
40072 40073
0x4344 0x3132
40072 40073
0x4344 0x3132
Gas Detector
®
40074 40075
0x3334 0x3500
40074 40075
0x3334 0x3500