Vaisala DMT340 - Manual (Page 188)

User's Guide _______________________________________________________________________
186 __________________________________________________________________ M210704EN-G
Configuration flags are used to select some basic options of the
instrument and to manually start the sensor operations.
Table 41 Configuration Flag Registers
Name Address Description
Standard filtering on/off 1281 1 = Filtering on
Extended filtering on/off 1282 1 = Extended filtering on
Automatic sensor purge on/off 1283 1 = Automatic purge on.
See configuration register
0773…0774 (1027).
Start-up sensor purge on/off 1284 1 = Start-up purge on
Sensor purge in progress 1285 1 = Purge in progress
(write 1 for manual start)
AutoCal in progress 1286 1 = AutoCal in progress
(write 1 for manual start)
Flags 1281 and 1282 are mutually exclusive.
Some of the configuration registers might not have an effect depending
on the instrument model and configuration.
Other configuration settings are not usually needed and are not available
using the Modbus interface. The service cable must be used to change
other configuration settings if needed.
Exception Status Outputs
Exception status outputs (read with function code 07) tell the summary of
the DMT340 transmitter status as described in Table 42 below.
Table 42 DMT340 Exception Status Outputs
Output Name Description
0 (0x01) Fault status 1 = No errors
1 (0x02) Online status 1 = Online data available
Status information is available also with register access; see section
Status Registers (Read-Only) on page 185.