Mitsubishi FR - S500 Instruction Manual page 126

2) Operation mode-based functions
Operation
Location
Operation panel
Run command
or FR-PU04
(start)
Running frequency
setting
Monitoring
Parameter write
Parameter read
Inverter reset
Stop command
On-computer Run command
user program by
Running frequency
RS-485
setting (*)
communication
Monitoring
Parameter write
Parameter read
Inverter reset
Stop command
Control circuit Inverter reset
external
terminal
Run command
Running frequency
setting
*1. As set in the communication parameters n8 "operation command write" and n9
"speed command write". (refer to page 130)
*2. At occurrence of RS-485 communication error, the inverter cannot be reset
from the computer.
*3. As set in Pr. 75 "reset selection/PU stop selection".
*4. As set in Pr. 77 "parameter write disable selection".
CAUTION
* When the user program of the computer is used to make the running frequency
setting by RS-485 communication, setting can be made in the minimum setting
increments of 0.01Hz, but the setting may be written to the inverter in increments
of 0.1Hz. (0 is written in the second decimal place.)
POINT
To make RS-485 communication between the inverter and personal computer, the
operation mode must be set to the "computer link operation mode".
Pr. 79 "operation mode selection" ‚ "1, 3, 4"
and communication parameter n10 "link start mode selection" = "1"
Reset the inverter after setting the communication parameters n1, n2, n3, n4, n7,
n11. The values set are registered once the inverter is reset.
Item
PU operation
Enabled
Enabled
Enabled
Enabled (*4)
Enabled
Enabled
Enabled
Disabled
Disabled
Enabled
Disabled
Enabled
Disabled
Disabled
Enabled
Enabled
(Combined
operation mode)
Enabled
(Combined
operation mode)
Operation Mode
External
operation
Enabled
(Combined
operation mode)
Enabled
(Combined
operation mode)
Enabled
Disabled
Enabled
Enabled
Enabled (*3)
Disabled
Disabled
Enabled
Disabled
Enabled
Disabled
Disabled
Enabled
Enabled
Enabled
117
Computer link
operation
Disabled
Disabled
Enabled
Disabled
Enabled
Enabled
Enabled (*3)
Enabled (*1)
Enabled (*1)
Enabled
Enabled (*4)
Enabled
Enabled (*2)
Enabled
Enabled
Enabled (*1)
Enabled (*1)
2