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Vaisala HUMICAP HMT330 SERIES - Page 6

Vaisala HUMICAP HMT330 SERIES
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User's Guide ______________________________________________________________________
4 ___________________________________________________________________ M210566EN-J
Deleting the Recorded Files..............................................118
UNDELETE ..................................................................119
Analog Output Settings .......................................................119
Changing Output Mode and Range...................................119
Analog Output Quantities ..................................................121
AMODE/ASEL..............................................................122
Analog Output Tests..........................................................123
ITEST ...........................................................................123
Analog Output Fault Indication Setting..............................124
AERR............................................................................124
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
Sensor Heating..................................................................137
Setting Humidity Sensor Heating .................................138
XHEAT ....................................................................138
CHAPTER 5
MODBUS ....................................................................................................139
Overview of MODBUS Protocol Support............................139
Taking MODBUS into Use.................................................140
Enabling Serial MODBUS.....................................................141
Using Display/Keypad (Optional) ......................................141
Using Serial Line ...............................................................141
Enabling Ethernet MODBUS................................................143
Using Display/Keypad (Optional) ......................................143
Using Serial Line ...............................................................144
Diagnostic MODBUS Counters ...........................................146
Viewing Counters Using Display/Keypad..........................146
Viewing Counters Using Service Port ...............................146
Disabling MODBUS ..............................................................147

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