Troubleshooting - Larsen & Toubro C*2000 Series User Manual

Chapter 11 Communication
0x001C User version
Address Parameter
0x001D Trip information-B
0x001E PID feedback
0x0100
Read address reg
~
ister (Note 3)
0x0107
0x0108
Write address regi
~
ster (Note 3)
0x010F
Note 1) the changed value in Common area affects the current setting but returns to the previous set
ting when power is cycled or Inverter is reset. However, changing value is immediately
reflected n other parameter groups even in the case of Reset or Power On/Off.
Note 2) S/W version of Common area is displayed in Hexadecimal, while that of parameter area is
displayed in decimal.

11.7 Troubleshooting

Refer to Troubleshooting when RS-485 communication error occurs.
Check points
Is the power provided to the RS-485?
Are the connections between converter and c
omputer correct?
Does the Drive start communication?
Is baud rate of inverter correctly set?
11-6
R Not used
Scale Unit R/W Allotment for Bits
R B5
B2
0.1 % W PID Feedback is set by communication
0x0100 : I66
0x0102 : I68
0x0104 : I70
0x0106 : I72
0x0108 : I74
0x010A : I76
W
0x010C : I78
0x010E : I80
Corrective measures
Provide electric power to the converter.
Refer to converter manual.
Start communication
Set the correct value in accordance with"11-3
Installation"
B7 SAFB
NBR B4 OC2
NTC B1 Reserved
B6 SAFA
B3 REEP
B0 COM
0x0101 : I67
0x0103 : I69
0x0105 : I71
0x0107 : I73
0x0109 : I75
0x010B : I77
0x010D : I79
0x010F : I81
Cx2000 AC Drive