29 CMVETH01B
Cyclic Data Access
5.6 Output Assemblies
5.6.1 Output Assembly 20 - Basic Speed Control
Word 0
Bit 0 0 = NOT Run Forward
1 = Run Forward
Bit 1 Reserved
Bit 2 Fault reset on transition from 0 to 1
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
Speed in RPMs (max 32767)
• RPM is calculated based on P305 and P304
• Example 1 (P305 = 1750 RPM, P304 = 60 Hz):
Requested speed command 25.0 Hz = 25.0 x 1750/60 = 729 = 0x02D9
NOTE
To use this Output assembly (20) Network Control and Network Reference must be set using explicit
communication by writing into the control word at NetId 65 – the bit configuration of this word matches the
WORD 0 of output assembly 100.
5.6.2 Output Assembly 21 - Extended Speed Control
Word 0
Bit 0 0 = NOT Run Forward
1 = Run Forward
Bit 1 0 = NOT Run Reverse
1 = Run Reverse
Bit 2 Fault reset on transition from 0 to 1
Bit 3 Reserved
Bit 4 Reserved
Bit 5 0 = Local Control
1 = Network Control
Bit 6 0 = Local Speed reference
1 = Network Speed reference
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
Speed in RPMs (max 32767)
• RPM is calculated based on P305 and P304
• Example 1 (P305 = 1750 RPM, P304 = 60 Hz):
Requested speed command 25.0 Hz = 25.0 x 1750/60 = 729 = 0x02D9
NOTE
In order to Start/Stop the drive via network control, bit 5 of Word 0 must be set in this assembly.
In order to control the speed via network communications, bit 6 of Word 0 must be set in this assembly.
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