User's Manual

Contents
Man_455U-D Rev 3.01 Page 5
CHAPTER THREE CONFIGURATION........................................................................ 30
3.1 B EFORE C ONFIGURING ........................................................................................... 30
3.1.1 Addressing ............................................................................................................... 30
3.1.2 Command Mode ...................................................................................................... 31
3.2 D EFAULT C ONFIGURATION .................................................................................... 31
3.3 C ONFIGURATION P ROGRAM ................................................................................... 31
3.3.1 Reading and Configuring a module......................................................................... 32
3.4 R EMOTE C ONFIGURATION AND D IAGNOSTICS ........................................................ 34
3.5 U NACKNOWLEDGED M ODE .................................................................................... 35
3.5.1 RS-485 Port ............................................................................................................. 35
3.5.2 RS-232 Port ............................................................................................................. 36
3.5.3 Unacknowledged mode Repeaters....................................................................... 37
3.5.4 Multiple Transmissions ....................................................................................... 40
3.6 R ADIO AND S ERIAL C ONFIGURATION ..................................................................... 40
3.6.1 Radio Data Rate....................................................................................................... 40
3.6.2 Serial Port Settings .................................................................................................. 40
3.6.3 Other Settings .......................................................................................................... 41
3.7 A CKNOWLEDGED M ODE ........................................................................................ 42
3.7.1 Auto-Connect Acknowledged mode.................................................................... 42
3.7.2 Single-Connect Acknowledged mode ................................................................. 44
3.8 D UAL R EDUNDANT S TANDBY ................................................................................ 45
3.9 L OW P OWER M ODE ............................................................................................... 47
3.10 O PTIMUM P ATH R OUTING ...................................................................................... 47
Path Configuration............................................................................................................... 48
Configuring for Modbus Protocol (RTU or ASCII) ............................................................ 48
Modbus RTU Protocol......................................................................................................... 48
Modbus ASCII protocol ...................................................................................................... 48
DF1 protocol........................................................................................................................ 48
DNP3 ................................................................................................................................... 49
3.11 A DVANCED S ETTINGS - S R EGISTERS ................................................................... 49
3.12 H AYES AT C OMMANDS ......................................................................................... 49
3.13 AT C ONFIGURATION E XAMPLES ............................................................................ 50
3.14 S WITCH C ONFIGURATION ....................................................................................... 52
CHAPTER FOUR TROUBLESHOOTING.................................................................... 53
4.1 P OWER - UP AND N ORMAL O PERATION ................................................................... 53
4.2 LED INDICATION D IAGNOSTICS C HART ................................................................. 54
4.3 O PERATING P ROBLEMS .......................................................................................... 55
4.4 T EST F UNCTIONS ................................................................................................... 56