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Analog Output Control
Using the fieldbus for analog output control requires:
•
Drive parameter values set as defined below.
• Fieldbus controller supplied reference word(s) in the
appropriate location. (The location is defined by the
Protocol Reference, which is protocol dependent .)
Table 30: Analog Output Control Parameters
Drive Parameter
Value
Setting
Protocol Reference
Modbus
N2
FLN
BACnet
Daikin DRV
DCU PROFILE
1501 AO1 CONTENT SEL
135 (COMM
VALUE 1)
Analog Output
1 controlled
by writing to
parameter 0135 .
—
—
—
—
0135 COMM VALUE 1
—
40135
AO14
46
AO0
1507 AO2 CONTENT SEL
136 (COMM
VALUE 2)
Analog Output
2 controlled
by writing to
parameter 0136 .
—
—
—
—
0136 COMM VALUE 2
—
40136
AO15
47
AO1
PID Control Setpoint Source
Use the following settings to select the fieldbus as the setpoint source for PID loops:
Table 31: PID Control Setpoint Parameters
Drive Parameter
Value
Setting
Protocol Reference
Modbus
N2
FLN
BACnet
Daikin DRV
DCU PROFILE
4010 SET POINT SEL
(Set 1)
8 (COMM VALUE 1)
9 (COMM + AI1)
10 (COMM*AI1)
Setpoint is either:
• Input Reference
2 (+/-/* AI1) .
Control requires
parameter 1106
value = comm .
• Process PID
setpoint . Control
requires parameter
1106 value = pid1
out and parameter
4010 value =
comm .
40003
AO2
61
AV17
4110 SET POINT SEL
(Set 2)
4210 SET POINT SEL
(Ext/Trim)
Communication Fault
When using fieldbus control, specify the drive’s action if serial communication is lost.
Table 32: Communication Fault Parameters
Drive Parameter
Value
Description
3018
COMM FAULT FUNC
0 (NOT SEL)
1 (FAULT)
2 (CONST SP7)
3 (LAST SPEED)
Set for appropriate drive response .
3019
COMM FAULT TIME
Set time delay before acting on a communication loss .
e
Mbedded
f
ieldbUs
www .DaikinApplied .com 53
OM 1191 • MD5 VFD
Содержание MD5
Страница 47: ...Figure 8 Alternate Wiring Diagram Embedded Fieldbus www DaikinApplied com 47 OM 1191 MD5 VFD ...
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