Delta VFD-A Series - Appendix B: Serial Communications; Character and Response Delay Times

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1 0 0 0 Jog speed command
1 0 0 1 Analog input freq. command
1 0 1 0 RS-485 serial interface
1 0 1 1 Up/Down control
CD: Error code
Code Fault Name
0 No error
01 Over-current (oc)
02 Over voltage (ov)
03 Overheat (oH)
04 Overload (oL)
05 Overload 1 (oL1)
06 External fault (EF)
07 CPU fault 1 (cF1)
08 CPU fault 3 (cF3)
09 Hardware Protection Fault (HPF)
10 Over-current acceleration (ocA)
11 Over-current deceleration (ocd)
12 Over-current normal (ocn)
13 Ground and fuse fault (GFF)
14 Low voltage (Lv)
15 Low voltage 1 (Lv1)
16 CPU fault 2 (cF2)
17 Baseblock (bb)
18 Overload (oL2)
19, 20 Reserved
Character Delay Time and Response Delay Time
 Character Delay Time
CHAR
CHAR
CHAR
1
2
3
< 5ms
 Response Delay Time
String String
String
1
2
3
10ms...20ms
InverterComputer
Inverter
Computer
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deltaacdrives.com
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