YASKAWA GA800 Technical Reference page 344

6.3 MEMOBUS/Modbus Communications
Register No.
(Hex.)
00EF - 00FA Reserved
Output current
Note:
00FB The unit of display is different for different models.
2004 to 2042, 4002 to 4023: 0.01 A
2056 to 2415, 4031 to 4720, T103 to T720: 0.1 A
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Broadcast Messages
Broadcast messages are available as read-only.
The undefined bit signal in the broadcast operation signal uses the local data signal.
Table 6.17 Broadcast Messages for MEMOBUS/Modbus Communication
Register No.
(Hex.)
Operation signal
bit 0
bit 1
bit 2 - 3
bit 4
0001
bit 5
bit 6 - B
bit C
bit D
bit E
bit F
0002 Frequency reference
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Fault Trace/Fault History Contents
Table 6.18 shows the fault codes that the commands from monitors [U2-xx, U3-xx] read.
Fault Code
(Hex.)
0002 Uv1 [DC Bus Undervoltage]
0003 Uv2 [Control Power Undervoltage]
0004 Uv3 [Soft Charge Answerback Fault]
0005 SC [Short Circuit/IGBT Failure]
0006 GF [Ground Fault]
0007 oC [Overcurrent]
0008 ov [Overvoltage]
0009 oH [Heatsink Overheat]
000A oH1 [Heatsink Overheat]
000B oL1 [Motor Overload]
000C oL2 [Drive Overload]
000D oL3 [Overtorque Detection 1]
344
Run command
1: Run, 0: Stop
Reverse run command
1: Reverse, 0: Forward run
Reserved
External fault
1: EF0 [Option Card External Fault]
Fault Reset
1: Reset command
Reserved
MFDI terminal S5 input
MFDI terminal S6 input
MFDI terminal S7 input
MFDI terminal S8 input
30000/100%
Table 6.18 Fault Trace/Fault History Contents
Name
Description
Description
Fault Code
(Hex.)
000E oL4 [Overtorque Detection 2]
000F rr [Dynamic Braking Transistor Fault]
0010 rH [Braking Resistor Overheat]
0011 EF3 [External Fault (Terminal S3)]
0012 EF4 [External Fault (Terminal S4)]
0013 EF5 [External Fault (Terminal S5)]
0014 EF6 [External Fault (Terminal S6)]
0015 EF7 [External Fault (Terminal S7)]
0016 EF8 [External Fault (Terminal S8)]
0017 FAn [Internal Fan Fault]
0018 oS [Overspeed]
0019 dEv [Speed Deviation]
YASKAWA SIEPC71061737D GA800 Drive Technical Reference
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