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CMVETH01B
Cyclic Data Access
5.7 Input Assemblies
5.7.1 Input Assembly 70 - Basic Speed Control
Word 0
Bit 0
1 = Faulted
Bit 1
Reserved
Bit 2
1 = Running Forward
Bit 3
Reserved
Bit 4
Reserved
Bit 5
Reserved
Bit 6
Reserved
Bit 7
Reserved
Bit 8
Reserved
Bit 9
Reserved
Bit 10
Reserved
Bit 11
Reserved
Bit 12
Reserved
Bit 13
Reserved
Bit 14
Reserved
Bit 15
Reserved
Word 1
• Actual Speed in RPMs
• RPM is calculated based on P305 and P304
• Example 1 (P305 = 1750 RPM, P304 = 60 Hz): Frequency at 25.0 Hz = 25.0 x 1750/60.0 = 729 = 0x02D9
5.7.2 Input Assembly 71 - Extended Speed Control
Word 0
Bit 0
1 = Faulted
Bit 1
Reserved
Bit 2
1 = Running Forward
Bit 3
1 = Running Reverse
Bit 4
1 = Ready
Bit 5
0 = Local Control
1 = Control from Network
Bit 6
0 = Local reference
1 = Reference from Network
Bit 7
1 = At reference
Bit 8
Reserved
Bit 9
Reserved
Bit 10
Reserved
Bit 11
Reserved
Bit 12
Reserved
Bit 13
Reserved
Bit 14
Reserved
Bit 15
Reserved
Word 1
• Actual Speed in RPMs
• RPM is calculated based on P305 and P304
• Example 1 (P305 = 1750 RPM, P304 = 60 Hz): Frequency at 40.0 Hz = 40.0 x 1750/60.0 = 1166 = 0x048E