MA7200 PLUS Operating Manual
TECO – Westinghouse Motor Company (Sn-25 – Sn-28) Multi-Function Input Terminals 5-8
Cont
. Parameter Details
Sn-25-28=18
Multi-Function Analog Input Setting
The multi-function analog input at the AUX terminal can be enabled or disabled by an external signal. When the
PID function is enabled, the AUX function will be disabled.
Sn-25-28=19
Timer Function Input Terminal
Refer to the setting of the timer function output terminal on page 3-63
Sn-25-28=20
DC Injection Braking Command
DC injection braking is used to prevent the motor from rotating due to inertia or external forces when
the inverter is stopped.
When the DC injection braking signal is ON, the motor will stop. If a run source or jog command is input,
the DC injection braking will be cleared and the motor will begin to run. (See Fig. 9.2.3.14 below)
Fig. 9.2.3.14 Time chart for DC injection braking command
Sn-25-28=21
Speed Search 1
Sn-25-28=22
Speed Search 2
Refer to ‘speed search’ function on page 3-23.
Sn-25-28=23
LOCAL/REMOTE Control 1
OFF
Remote Control:
The Run command and Frequency command is performed through the control terminal inputs
or the RS-485 communication port. It is set by the combination of settings of parameters Sn-
04 and Sn-05. The REMOTE-REF and the SEQ LED’s are ON.
ON
Local Control:
The Run and Frequency commands are performed through digital operator. The REMOTE-
REF and SEQ LED’s are OFF.
The LOCAL to REMOTE mode can only be changed when the inverter is in the STOP mode.
Sn-25-28=24
LOCAL/REMOTE Control 2
The LOCAL to REMOTE mode can only be changed when the inverter is in the STOP mode.
Sn-25-28=25
RS-485 Communication Application
The multi-function input terminals
-
can be used as the extension contact terminals of a PLC with the
command communicated through the RS-485 port. (Refer to the “RS-485 MODBUS/PROFIBUS
APPLICATION MANUAL” for further information)
Cont.
OFF
Remote Control:
The Run command and Frequency command is performed through the control terminal
inputs or the RS-485 communication port. It is set by the combination of settings of
parameters Sn-04 and Sn-05. The REMOTE-REF and the SEQ LED’s are ON.
ON
Local Control:
The Run command and Frequency commands are performed through control circuit
terminals. The REMOTE-REF and SEQ LED’s are OFF.