USER'S GUIDE____________________________________________________________________
2 ___________________________________________________________________ M210543EN-E
CHAPTER 4
INSTALLATION............................................................................................29
Selecting Location..................................................................29
Grounding and Lightning Protection ...................................31
Equipment Grounding .........................................................31
Internal Grounding of PWD22/52 ........................................31
Grounding the Remote Units and the Communication
Cable ...................................................................................31
Installation Procedure............................................................32
Unpacking Instructions ........................................................32
Unpacking Procedure.....................................................32
Storage...........................................................................32
Mounting..............................................................................33
Connections............................................................................34
Connecting Cables ..............................................................34
Basic Wiring ...................................................................35
Supplying Power to PWD22/52 ...........................................37
Internal Heaters and Heaters for PWL111 Option .........37
PWH111 Hood Heaters..................................................38
Communication Options ......................................................38
Serial Communication Settings ......................................38
Serial Transmission RS-232...........................................38
Serial Multipoint Transmission RS-485 ..........................39
Connection of the Maintenance Terminal ......................39
Relay Controls .....................................................................40
RELAY Command ..........................................................43
Initial Settings ......................................................................43
Weather Parameters ......................................................44
Verification...........................................................................45
CHAPTER 5
OPERATION.................................................................................................47
Getting Started........................................................................47
Operating Instructions ...........................................................48
Entering and Exiting the Command Mode ..........................49
OPEN .............................................................................49
CLOSE ...........................................................................49
Message Types ...................................................................50
Message 0......................................................................51
Message 1......................................................................51
Message 2......................................................................52
Message 3......................................................................52
Message 4......................................................................52
Messages 5 and 6 ..........................................................53
Message 7......................................................................53
Automatic Message Sending...............................................54
Message Polling .............................................................55
Precipitation Sums .................................................................57
List of Commands ..................................................................57
PWD22/52 Command Set ...................................................57
HELP ..............................................................................57
MES................................................................................58
AMES .............................................................................58
Weather Related Commands ..............................................59
WPAR.............................................................................59