YASKAWA SI-EP3, Installation Manual

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7 PROFINET Messaging
YASKAWA TOEP C730600 89B PROFINET Installation Manual 49
The option supports the PROFIdrive profile. Users can select between the control and
status words according to the PROFIdrive profile or use the Yaskawa-specific control and
status words.
◆
PROFIdrive Communication Profile
■
The Control Word and the Status Word
The contents of the Control Word and the Status Word are detailed in Table 7.1 and Table
7.2 respectively. The drive states are presented in the PROFIdrive State Machine ( Figure
7.1 ).
■
Frequency Reference
The Frequency reference is a 16-bit word containing a sign bit and a 15-bit integer. A
negative reference (indicating reverse direction of rotation) is formed by calculating the
two's complement from the corresponding positive reference. The reference value is the
desired output frequency.
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Output Frequency
Output Frequency is a 16-bit word containing the current output frequency ( U1-02 ) of the
drive.
Table 7.1 Control Word for PROFIdrive Communication Profile
Bit Name Value Proceed to STATE/Description
0
ON 1
Proceed to READY TO OPERATE.
OFF1 0
Emergency OFF. Proceed to OFF1 ACTIVE; proceed further to
READY TO SWITCH ON unless other interlocks (OFF2, OFF3)
are active.
1 OFF2
1
Continue operation (OFF2 inactive).
0
Emergency OFF. Proceed to OFF2 ACTIVE; proceed further to
SWITCH ON INHIBIT.
2 OFF3
1
Continue operation (OFF3 inactive).
0
Emergency stop. Proceed to OFF3 ACTIVE; proceed further to
SWITCH-ON INHIBIT.
3
OPERATION_
ENABLE
1
Proceed to ENABLE OPERATION.
0 Inhibit operation. Proceed to OPERATION INHIBIT.
4 RAMP_OUT_ZERO
1
Normal operation. Proceed to RAMP FUNCTION GENERATOR:
ENABLE OUTPUT.
0
Stop according to selected stop type.
5 RAMP_HOLD 1
Normal operation.