Vaisala HMT330 User Manual
Page 6
User's Guide _______________________________________________________________________
4 ____________________________________________________________________ M210566EN-K
INTV ............................................................................. 115
SDELAY ....................................................................... 115
ECHO ........................................................................... 115
Data Recording ..................................................................... 116
Selecting Data Recording Quantities ................................ 116
DSEL ............................................................................ 116
View Recorded Data .......................................................... 116
DIR ............................................................................... 116
PLAY ............................................................................ 118
Deleting the Recorded Files .............................................. 119
UNDELETE .................................................................. 119
Analog Output Settings ....................................................... 120
Changing Output Mode and Range ................................... 120
Analog Output Quantities .................................................. 121
AMODE/ASEL .............................................................. 122
Analog Output Tests .......................................................... 123
ITEST ........................................................................... 123
Analog Output Fault Indication Setting .............................. 124
AERR ............................................................................ 124
Extend Analog Output Range ............................................ 125
Operation of Relays .............................................................. 125
Quantity for Relay Output .................................................. 125
Measurement-Based Relay Output Modes ....................... 125
Relay Setpoints ............................................................ 125
Hysteresis ..................................................................... 127
Relay Indicating Transmitter Error Status ......................... 127
Enabling/Disabling Relays ................................................. 129
Setting Relay Outputs........................................................ 129
RSEL ............................................................................ 130
Testing Operation of Relays .............................................. 132
RTEST .......................................................................... 132
Sensor Functions ................................................................. 133
Chemical Purge (Optional) ................................................ 133
Automatic Chemical Purge (Interval Purge) ................. 134
Manual Chemical Purge ............................................... 134
Chemical Purge in Power Up ....................................... 134
Starting and Configuring Chemical Purge ......................... 135
Using Buttons on Motherboard..................................... 135
Using Display/Keypad (Optional) ................................. 135
Using Serial Line .......................................................... 136
PURGE .................................................................... 136
PUR ......................................................................... 136
RGLIMIT .................................................................. 137
Sensor Heating .................................................................. 138
Setting Humidity Sensor Heating ................................. 138
XHEAT .................................................................... 138
Overview of Modbus Protocol Support .............................. 141
Taking Modbus into Use .................................................... 142
Enabling Serial Modbus ....................................................... 143
Using Display/Keypad (Optional) ...................................... 143
Using Serial Line ............................................................... 143
Enabling Ethernet Modbus .................................................. 144