Danfoss VLT FC 280 Operating Manual page 72

Operating Guide | VLT® Midi Drive FC 280
PROFIdrive on PROFIsafe
6.5.2.6
Introduction
6.5.2.6.1
The drive supports PROFIsafe standard telegram 30. The following sections describe the PROFIdrive on PROFIsafe standard telegram 30
bits. In a PLC program, address the safety functions using bits while not bytes.
Byte 0 is PROFIdrive on PROFIsafe-specific and byte 1 is vendor-specific.
To show the hex values of PROFIsafe status word and PROFIsafe control word on the LCP, use parameter 42-83 Safe Status Word and
parameter 42-82 Safe Control Word. The hex values are used for debugging purpose or transferring the safe control information to a
non-safe control environment.
6.5.2.6.2 PROFIsafe Control Word
Table 35: PROFIsafe Control Word (S_STW1)
Byte
Byte 0
Byte 0
Byte 0
Byte 0
Byte 1
1) Bits that are not supported are set to 0.
Byte 0 Bit 0, STO
Bit 0.0=0, Safe Torque Off (zero-active).
l
Bit 0.0=1, No Safe Torque Off.
l
Byte 0 Bit 1, SS1
Bit 0.1=0, Safe Stop 1 (zero-active).
l
Bit 0.1=1, No Safe Stop 1.
l
Byte 0 Bit 7, INTERNAL_EVENT_ACK
When this bit value changes from 1 to 0 (1=>0 edge), an acknowledgment is given to the safety fault buffer. Fault entries in the
l
safety fault buffer are shifted to the last acknowledged fault situation. Faults which are still present or not knowledgeable appear
again in the actual fault situation. For more information, refer to the PROFIdrive profile description at www.profibus.com.
PROFIsafe Status Word
6.5.2.6.3
Table 36: PROFIsafe Status Word (S_ZSW1)
Byte
Byte 0
Byte 0
Byte 0
Byte 0
Byte 1
1) If STO is triggered by safe DI or by SS1 timer expired, this bit also indicates "active".
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Bit
0
1
2–6
7
0–7
Bit
0
1
2–6
7
0–7
Safety Functions
Name
STO
SS1
(1)
Not supported
INTERNAL_EVENT_ACK
(1)
Not supported
Name
(1)
POWER_REMOVED
(2)
SS1_ACTIVE
(3)
Not supported
INTERNAL_EVENT
(3)
Not supported
AQ381425076031en-000201 / 130R1223