Instruction manual

20
Connection and Parameter Setting
(2) Related parameters for connection using PU connector
Set the following communication parameter when connecting PU connector of the inverter.
When performing parameter writing or run command input, set the following command source parameters, and switch
the operation mode to the following operation mode.
* Depending on the production year and month of FR-A700, the setting range and initial value of Pr. 551 may differ. For the details, refer to the Appendices of the
Instruction Manual of the inverter.
· Related parameter list
*1 When "1" (Modbus-RTU protocol) is set in Pr. 549, the setting range within parentheses is applied.
*2 Pr. 551 is always write-enabled.
*3 Available for FR-A700, A701, F700 and F700P.
*4 Available for FR-A700, A701 and E700(SC).
*5 Available for FR-D700, E700(SC) and F700PJ.
*6 Available for FR-A700, D700, E700(SC) and F700PJ.
Inverter
Communication
Option
Parameter Setting Operation
Mode
Communication Parameter Command Source Parameter
FR-A700 -
Pr. 122 PU communication check time
interval
 "0"
Pr. 123 PU communication waiting
time setting = "9999"
(initial value)
Pr. 551 PU mode operation command
source selection = "2 or 9999"
(initial value 9999) *
PU
FR-A701, F700, F700P - Initial value PU
FR-E700(SC)
No Initial value NET
Yes
Pr. 551 PU mode operation command
source selection = "2"
(initial value 9999)
PU
FR-D700, F700PJ - Initial value NET
REMARKS
· Switching of the operation mode is available at "Test Operation" (Refer to page 97) window in Navigation area.
· Set 3s or more (or 9999) in
Pr. 122 PU communication check time interval.
· Set a station number of the each inverter in Pr. 117 PU communication station number when connecting multiple inverters. Perform
inverter reset after setting the parameter.
Parameter
Num
be r
Name Initial Value
Setting
Range
Description
117
PU communication
station number
0
0 to 31
(0 to 247)
*1
Inverter station number specification
Set the inverter station numbers when two or more inverters
are connected to one personal computer.
122
PU communication
check time interval
FR-A700, A701,
F700,
F700P : 9999
FR-D700,
E700(SC),
F700PJ : 0
0
RS-485 communication is enabled. Note that a communication
fault (E.PUE) occurs as soon as the inverter is switched to the
operation mode with control source.
0.1 to
999.8.0s
Communication check (signal loss detection) time interval
If a no-communication state persists for longer than the
permissible time, the inverter trips (depends on Pr. 502 ).
9999 No communication check (signal loss detection).
123
PU communication
waiting time setting
9999
0 to 150ms
Set the waiting time between data transmission to the inverter
and response.
9999 Set with communication data.
551 *2
PU mode operation
command source
selection
FR-A701, F700,
F700P : 2
FR-A700, D700,
E700(SC),
F700PJ : 9999
1
*3
Selects the RS-485 terminal as the PU operation mode
command source.
2
Selects the PU connector as the PU operation mode command
source.
3
*4
Selects the USB connector as the PU operation mode
command source.
4
*5
Selects the operation panel as the PU operation mode
command source.
9999
*6
FR-A700: USB automatic recognition
Normally, operation panel (PU connector) is the command
source. During USB connection, USB is the command source.
FR-D700, F700PJ: Parameter unit automatic recognition
FR-E700(SC): USB automatic recognition
Normally, operation panel is the command source. When the
parameter unit is connected to the PU connector, PU is the
command source. During USB connection, USB is the
command source.
Note
• Always reset the inverter after making the setting of the parameters. After you have changed the communication-
related parameters, communication cannot be established until the inverter reset.