C78 Installation Guide
Modbus parameters
Register Modbus
address
Parameter Function Data type Access
Status/Alarms
0 Not supported
1-10 Reserved for future use
Info
11-20 40011 Model number ASCII string R
21-30 40021 Serial number ASCII string R
31-40 40031 Software version ASCII string R
41-50 40041 System ID ASCII string R
51 40051 Manufacturing date high byte = month
low byte = day
32 bit binary value R
52 40052 Manufacturing date Year 32 bit binary value R
Measurement
53 40053 Hydrogen (ppm) signed 16-bit binary number R
54 40054 Hydrogen RoC (ppm/day) may need scaling signed 16-bit binary number R
55 40055 RESERVED - Hydrogen RoC (ppm/
week)
return 0 signed 16-bit binary number R
56 40056 RESERVED - Hydrogen RoC (ppm/
month)
return 0 signed 16-bit binary number R
57 40057 Oil temperature (moisture) (°C) signed 16-bit binary number R
58 40058 Moisture (aw) scaled by 100 signed 16-bit binary number R
59 40059 Moisture (ppm) signed 16-bit binary number R
60 40060 Moisture (ppm/day) may need scaling signed 16-bit binary number R
61 40061 RESERVED - Moisture (ppm/week) return 0 signed 16-bit binary number R
62 40062 RESERVED - Moisture (ppm/week) return 0 signed 16-bit binary number R
63 40063 4-20 mA input 1 scaled by 100 signed 16-bit binary number R
64 40064 4-20 mA input 2 scaled by 100 signed 16-bit binary number R
65 40065 4-20 mA input 3 scaled by 100 signed 16-bit binary number R
Status/Alarms
66 40066 Status and alarms See <status> table 16 bit binary map R
Configuration
67-100 Reserved for future use
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