GE LM10, Инструкция по эксплуатации

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5–46 LM10 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
DEVICENET OPERATIONS CHAPTER 5: COMMUNICATIONS
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This data group can also be retrieved via explicit messaging to the Assembly object, class 4, instance
102, attribute 3.
This data group can also be retrieved via explicit messaging to the Assembly object, class 4, instance
103, attribute 3.
This data group can also be retrieved via explicit messaging to the Assembly object, class 4, instance
104, attribute 3.
Table 5–1: Poll Data Group 1
Bytes Data Length Name/Description Data
Format
Value
7 bytes 1 byte Motor status F21 ---
1 word Phase A current UINT × 0.1 A
1 word Phase B current UINT × 0.1 A
1 word Phase C current UINT × 0.1 A
Table 5–2: Poll Data Group 2
Bytes Data Length Name/Description Data
Format
Value
12 bytes 1 word Motor status F22 ---
1 word Cause of trip F20 ---
1 word Average phase current UINT × 0.1 A
1 word Ground current UINT
×
0.1 A
1 word Current unbalance UINT %
1 word Power UINT × 0.1 kW
Table 5–3: Poll Data Group 3
Bytes Data Length Name/Description Data
Format
Value
22 bytes 1 word Motor status F22 ---
1 word Cause of trip F20 ---
1 word Phase A current UINT × 0.1 A
1 word Phase B current UINT × 0.1 A
1 word Phase C current UINT × 0.1 A
1 word Ground current UINT
×
0.1 A
1 word Voltage UINT volts
1 word Power factor UINT × 0.01
1 word Power UINT × 0.1 kW
1 word Average current UINT
×
0.1 A
1 word Current unbalance UINT %
Table 5–4: Poll Data Group 4
Bytes Data Length Bytes Name/Description Data
Format
Value
7 bytes 1 byte 1 Motor status F21 ---
1 word 2 (Hi), 3 (Lo) Phase A current UINT × 0.1 A
1 word 4 (Hi), 5 (Lo) Phase B current UINT × 0.1 A
1 word 6 (Hi), 7 (Lo) Phase C current UINT
×
0.1 A