88 ACH580 E-Clipse bypass and packaged drive user manual
Embedded fieldbus
PID control setpoint source
Using the fieldbus for the PID control setpoint requires:
• Drive parameter values set as defined below.
• Fieldbus controller supplied setpoint value in the appropriate location. (As defined
in Analog output control)
Drive Parameter Value Setting
Protocol Reference
Modbus
N2 BACnet
ABB
DRV
DCU
PROFILE
13.12 AO1 Source 37, AO1 Data Storage Analog Output 1
controlled by writing to
parameter 13.91.
–––
13.91 AO1 Data Storage – 403419 AO14 AO0
13.22 AO2 Content Sel 38, AO2 Data Storage Analog Output 2
controlled by writing to
parameter 13.92.
–––
13.92 AO2 Data Storage – 403420 AO15 AO1
Drive Parameter Value Description Protocol Reference
40.16 Set 1 setpoint 1
source
24 (Setpoint data
storage)
Communication channel setpoint
source
–
40.17 Set 1 setpoint 2
source
3 (AI1 scaled) Optional analog input value. Needed if
combining communication reference
with analog input value
–
40.18 Set 1 setpoint
function
0 (In1)
1 (In1+In2)
3 (In1*In2)
Setpoint is 40.92 value itself/+AI1/*AI1 –
NOTE: For 41.16 – 41.18, PID set 2 can be used. Setpoint data storage still uses 40.92, even when PID set 2 is used.
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