SERVOPRO NOx Analyzers Page
21 High concentration
32 General alarm
33 Eng units
37 For additional alarms and status
Coil Number Read Data
101 0 – Manual, 1 – Remote
102 0 – Standby, 1 – Measure
103 1 – Zero
104 1 – Span
105 1 – AutoCal
106 1 – Purge
107 O
2
0 – Standby, 1 – Measure
108 O
2
1 – Zero
109 O
2
1 – Span
110 O
2
1 – AutoCal
115 0 – Via Pump, 1 – Via Valves
118 0 – Auto Off, 1 – Auto On
145 NO mode
146 NO
x
mode
148 NO/NO
x
/NO
2
mode
150 Wet mode (with option)
151 Dry mode (with option)
05H WRITE SINGLE COIL
Coil Numbers and Descriptions
Coil Number Write Data
NOTE: Modbus Commands Use TCP/IP Port 502. (Do not change TCP/IP port from
7700.)