User's Guide _______________________________________________________________________
4 _____________________________________________________________________________
Changing Output Mode and Range ................................... 107
Analog Output Quantities .................................................. 109
AMODE/ASEL .............................................................. 110
Analog Output Tests .......................................................... 111
ITEST ........................................................................... 111
Analog Output Fault Indication Setting .............................. 112
AERR ............................................................................ 112
Operation of Relays .............................................................. 113
Quantity for Relay Output .................................................. 113
Measurement-Based Relay Output Modes ....................... 113
Relay Setpoints ............................................................ 113
Hysteresis ..................................................................... 114
Relay Indicating Transmitter Error Status ......................... 114
Enabling/Disabling Relays ................................................. 116
Setting Relay Outputs........................................................ 116
RSEL ............................................................................ 117
Testing Operation of Relays .............................................. 118
RTEST .......................................................................... 119
Operation of the RS-485 Module ......................................... 119
Networking Commands ..................................................... 120
SDELAY ....................................................................... 120
SERI ............................................................................. 120
ECHO ........................................................................... 121
SMODE ........................................................................ 121
INTV ............................................................................. 122
ADDR ........................................................................... 122
SEND ............................................................................ 123
OPEN ........................................................................... 123
CLOSE ......................................................................... 123
Sensor Functions ................................................................. 124
Chemical Purge (Optional) ................................................ 124
Automatic Chemical Purge (Interval Purge) ................. 125
Manual Chemical Purge ............................................... 125
Chemical Purge in Power Up ....................................... 125
Starting and Configuring Chemical Purge ......................... 126
Using Buttons on Motherboard..................................... 126
Using Display/Keypad (Optional) ................................. 126
Using Serial Line .......................................................... 127
PURGE .................................................................... 127
PUR ......................................................................... 128
Sensor Heating .................................................................. 129
Setting Humidity Sensor Heating ................................. 129
XHEAT .................................................................... 129
CHAPTER 5
MAINTENANCE .......................................................................................... 131
Periodic Maintenance ........................................................... 131
Cleaning ............................................................................ 131
Changing the Probe Filter ................................................. 131
Changing the Sensor ........................................................... 132
Error States ....................................................................... 133
Technical Support ................................................................ 135
Return Instructions .............................................................. 135
