2 Engineering
2.10 STO function
DA1 Variable Frequency Drives 11/16 MN04020005Z-EN www.eaton.com 65
Table 3: STO-relevant parameters
PNU
Modbus ID Access right Type name Value Description DS
RUN/ STOP ro/rw
P2-15 237 RUN rw RO1 function 0 - 13 Used to select the function for output relay
RO1
Possible values:
• 0: RUN, enable (FWD/REV)
• 1: READY, variable frequency drive ready
for operation
• 2: Speed = speed reference value
• 3: Speed > 0
• 4: Speed ≧ limit value: ON: ≧ P2-16;
OFF: < P2-17
• 5: Motor current ≧ limit value: ON: ≧ P2-16;
OFF: < P2-17
• 6: Torque ≧ limit value: ON: ≧ P2-16;
OFF: < P2-17
• 7: Analog input AI2 ≧ limit value:
ON: > P2-16; OFF: < P2-17
• 8: reserved
• 9: reserved
• 9: reserved
• 10: reserved
• 11: reserved
• 12: reserved
13: STO status (STO = Safe Torque OFF)
1
P2-18
240 RUN rw RO2 function 0 - 13 Used to select the function for output relay
RO2
Possible values:
• 0: RUN, enable (FWD/REV)
• 1: READY, variable frequency drive ready
for operation
• 2: Speed = speed reference value
• 3: Speed > 0
• 4: Speed ≧ limit value: ON: ≧ P2-19;
OFF: < P2-20
• 5: Motor current ≧ limit value: ON: ≧ P2-19;
OFF: < P2-20
• 6: Torque ≧ limit value: ON: ≧ P2-19;
OFF: < P2-20
• 7: Analog input AI2 ≧ limit value:
ON: > P2-19; OFF: < P2-20
• 8: Control signal for the external brake of a
hoist drive (enables the "hoisting gear"
mode). ON: Output frequency ≧ P2-07
while there is a START command present
(FWD/REV). OFF: Output frequency ≦ P2-08
if there is no START command present
(FWD/REV).
• 9: reserved
• 9: reserved
• 10: reserved
• 11: reserved
• 12: reserved
13: STO status (STO = Safe Torque OFF)
0