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Modbus Protocol
Configuration Block
The Configuration Data block comprises parameters that directly affect the sampling
characteristics of the instrument. Any modifications to these registers will restart the
current sample if a sample is active.
Note: Use FC16 where '*' is indicated.
Configuration Block
Address Register Description Access
Size
(Words)
0100 Instrument IP address R 2
0102 Subnet Mask R 2
0104 Gateway R 2
0106 DNS Server R 2
0108 WINS Server R 2
0110 DHCP Flag R 1
0111 Language identification code R/W 1
0112 Mode of Operation R/W 1
0113 Current State R 1
0114 Cycle Time R/W* 2
0116 Flush Time R/W* 2
0118 Idle Mode R/W 1
0119 Bypass flow R/W 1
0120 Clean time mode R/W 1
0121 Clean time R/W* 2
0123 UTC Date and Time R/W* 4
0127 UTC Time format R/W 1
0128 Pump sampling R/W 1
0129 Digital Control R/W 1
0130 Temperature display unit R/W 1
0131 Conductivity display unit R/W 1
0132 Cell calibration gain R 4
0136 Cell calibration offset R 4
0140 User TOC Slope R 4
0144 User Conductivity Slope R 4
0148 Thermistor coefficient A R 4
0152 Thermistor coefficient B R 4
0156 Thermistor coefficient C R 4
0160 TOC Print R/W 1
0161 TOC Print Percent change R/W 1
0162 Conductivity Print R/W 1
0163 Conductivity Print Time R/W* 2
0165 Conductivity Print Percent change R/W 1
0166 TOC alarm R/W 1
0167 TOC alarm limit R/W 1
0168 Conductivity alarm (uncompensated only) R/W 1
0169 Last alarm R 1
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