ELECTRICAL INSTALLATION
Control Circuit Connections
44
4-20mA Transducer with External 24 VDC Power:
•
Connect the transducer positive (Power) wire to the external source posi
-
tive [+24V]. Connect the external source negative to the VFD ACM termi
-
nal.
•
Connect the transducer output (Out) wire to the ACI or AVI1 terminal. The
ACI micro switch should be in the
UP
position. If using the AVI1 terminal,
the AVI1 micro switch should be
DOWN
.
•
Any shield wire should be connected to Earth ground.
•
ACI Input Select [IO–00]
or
AVI1 Input Select [IO–05]
should be set to the correct
signal type.
•
Auto Speed Reference [SET–07]
should be set to
PID Output
,
PID Feedback Source [SET–18]
should be set to the cho
-
sen input, and
PID Feedback Units [SET–19]
should be set to the appropriate scale (psi, temp, flow, etc.).
0-10VDC Transducer with VFD 10 VDC Power:
•
Connect the transducer positive (Power) wire to the VFD +10V terminal.
•
Connect the transducer output (Out) wire to the AVI1, AVI2, or ACI termi
-
nal. The AVI1 micro switch should be in the
UP
position. If using the ACI ter
-
minal, the ACI micro switch should be
DOWN
.
•
Connect the transducer Com wire to the ACM terminal (signal ground).
•
Any shield wire should be connected to Earth ground.
•
AVI1 Input Select [IO–05]
or
ACI Input Select [IO–00]
should be sset to
0-10V
.
•
Auto Speed Reference [SET–07]
should be set to
PID Output
,
PID Feedback Source [SET–18]
should be set to the cho
-
sen input, and
PID Feedback Units [SET–19]
should be set to the appropriate scale (psi, temp, flow, etc.).
0-10VDC Transducer with VFD 24 VDC Power:
•
Connect the transducer positive (Power) wire to the VFD +24V terminal.
•
Connect the transducer output (Out) wire to the AVI1, AVI2, or ACI termi
-
nal. The AVI1 micro switch should be in the
UP
position. If using the ACI ter
-
minal, the ACI micro switch should be
DOWN
.
•
Connect the transducer Com wire to the ACM terminal (signal ground).
•
Use a jumper wire to connect the ACM and DCM terminals.
•
Any shield wire should be connected to Earth ground.
•
AVI1 Input Select [IO–05]
or
ACI Input Select [IO–00]
should be set to
0-10V
.
•
Auto Speed Reference [SET–07]
should be set to
PID Output
,
PID Feedback Source [SET–18]
should be set to the cho
-
sen input, and
PID Feedback Units [SET–19]
should be set to the appropriate scale (psi, temp, flow, etc.).
0-10VDC Transducer with External 24 VDC Power:
•
Connect the transducer positive (Power) wire to the external source posi
-
tive [+24V].
•
Connect the transducer Com wire to the external source negative.
•
Connect the transducer output (Out) wire to the AVI1, AVI2, or ACI termi
-
nal. The AVI1 micro switch should be in the
UP
position. If using the ACI ter
-
minal, the ACI micro switch should be
DOWN
.
•
Any shield wire should be connected to Earth ground.
•
AVI1 Input Select [IO–05]
or
ACI Input Select [IO–00]
should be set to
0-10V
.
•
Auto Speed Reference [SET–07]
should be set to
PID Output
,
PID Feedback Source [SET–18]
should be set to the cho
-
sen input, and
PID Feedback Units [SET–19]
should be set to the appropriate scale (psi, temp, flow, etc.).
Содержание Cerus X-Drive
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