Vaisala FS11P - Table 20 LM21 Advanced Level Commands

Chapter 4 _________________________________________________________________ Operation
VAISALA _______________________________________________________________________ 129
Command
Description
SET DATA_PORT PARITY 7E1 yes/no
RS-232 and RS-485 serial lines use the following
communication parameters: 7 data bits, even parity, 1 stop
bit. Verification yes/no asked only if the command is given
via DATA PORT (default).
SET DATA_PORT PARITY 8N1 yes/no
RS-232 and RS-485 serial lines use the following
communication parameters: 8 data bits, no parity, 1 stop
bit. Verification yes/no asked only if the command is given
via DATA PORT.
In addition to the user level command set, there is a second, advanced,
in-depth maintenance and service level command set. The access
command to this advanced level is LEVEL 1. The command prompt
shows the current command set level. In the advanced level the prompt is
1>.
Table 20 LM21 Advanced Level Commands
Command
Description
SET MESSAGE FRAME ON
Message frames included in data message
transmission (default).
SET MESSAGE FRAME OFF
Message frames not included in data messages.
SET CONTAMINATION_COMPENSATION
ON
Enables measurement value compensation caused
by window contamination (default).
SET CONTAMINATION_COMPENSATION
OFF
Disables the compensation function.
SET HOOD_HEATERS ON
Enables the monitoring and automatic operation of
the hood heater (default). The hood heaters are
turned on by the unit when the hood temperature
drops below a preset level.
SET HOOD_HEATERS OFF
Disables hood heater operation and monitoring. Set
OFF when operated in environments where hood
heaters are not needed and the sensor is only
operated with DC power.
SET DEW _HEATER ON
Enables the monitoring and automatic operation of
the dew heaters (default). The dew heaters start to
warm up optical surfaces when ambient temperature
drops below a preset level.
SET DEW _HEATER OFF
Disables dew heaters operation and monitoring. Set
OFF when operated in environments where dew
heaters are not needed (ambient temperature does
not drop below 12 °C).
SET DEFAULTS yes/no
Restores the default factory settings, verification
yes/no asked.