7-6
· Thisfunctioncanbedisabled(i.e.,setto“1”)onlywhena1-to-1Master/Slaveconfigu-
rationisusedinRS-422 communications.WhenmultipleSlaves areusedforRS-422,
or whenever RS-485 communications areused,itisnecessarytoset“0” (enableRTS
control).
n157 RS-422/485 RTS Control
Selection
Register 019D
Hex
Changes during
operation
No
Setting
range
0, 1 Unit of
setting
1 Default setting 0
Set Values
Value Description
0 RTS control disabled
1 RTS control enabled (available to 1-to-1 RS-422 communications only)
7-1-2 RUN Command Selection (n003)
·Select the method to input the RUN or STOP command into the Inverter.
·Thisparameterisenabledinremotemodeonly.TheInverterinlocalmodeacceptsthe
RUN command only through key sequences on the Digital Operator.
n003 Operation Command Selec-
tion
Register 0103
Hex
Changes during
operation
No
Setting
range
0 to 3 Unit of
setting
1 Default setting 0
Set Values
Value Description
0 The RUN Key and STOP/RESET Key on the Digital Operator are enabled.
1 Multi-function input terminals are enabled in 2- or 3-wire sequence.
2 RS-422/485 communications are enabled.
3 Input from the optional CompoBus/D Communications Unit is enabled.
Note 1. To input the RUN command through RS-422/485 communications, set this
parameter to 2. Then the RUN command only through RS-422/485 commu-
nications will be enabled.
Note 2. The RUN command can beinputthrough RS-422/485with multi-function input
settings as well. For details, refer to 7-1-4 Setting the Multi-function Inputs.
7-1-3 Frequency Reference Input Selection (n004)
·Select the method to input the frequency reference into the Inverter in remote mode.
Communications Chapter 7