Chapter 7 Maintenance and Troubleshooting
JT550 Series Inverter Manua
l
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Group F8: Operation Panel and Display
F8.01
MK Key function selection
Range:0~4
Default:0
MK key refers to multifunctional key. You can set the function of the MK key by using this parameter.
You can perform switchover by using this key both in stop or running state.
0: MK key disabled
This key is disabled.
1: Switchover between operation panel control and remote command control
You can perform switchover from the current command source to the operation panel control (local
operation). If the current command source is operation panel control, this key is invalid.
2: Switchover between forward rotation and reverse rotation
You can change the direction of the frequency reference by using the MK key. It is valid only when the
current command source is operation panel control.
3: Forward JOG
You can perform forward JOG (FJOG) by using the MK key.
4: Reverse JOG
You can perform reverse JOG (FJOG) by using the MK key.
F8.02
STOP/RESET key function
Range:0~1
Default:1
0: STOP/RESET key enabled only in operation panel control
1: STOP/RESET key enabled in any operation mode
F8.03
LED display running parameters 1
Range:0x0000~0xFFFF
Default:0x001F
A maximum of 32 parameters in the running status can be viewed in F8.03 and F8.04. The display
starts from the lowest bit of F8.03. A total of 13 parameters in the stop can be viewed in F8.05.
Bit07
Bit06
Bit05
Bit04
Bit03
Bit02
Bit01
Bit00
X input
status
Bus
voltage
Output
torque
Output
power
Output
voltage
Output
current
Set
frequency
Running
frequency
Bit15
Bit14
Bit13
Bit12
Bit11
Bit10
Bit09
Bit08
PID
feedback
PID
setting
Pulse
setting
frequency
AI3
voltage
AI2
voltage
AI1
voltage
DO output
status
Reserved
F8.04
LED display running
parameters 2
Range:0x0000~0xFFFF
Default:0x0000
Bit07
Bit06
Bit05
Bit04
Bit03
Bit02
Bit01
Bit00
Linear
speed
Length
value
Count
value
feedback
speed
Auxiliary
frequency
display
Main
frequency
display
Load
speed
display
PID
output
Bit15
Bit14
Bit13
Bit12
Bit11
Bit10
Bit09
Bit08
Reserved
Communi
cation
setting
value
PLC
stage
Remaining
running
time
Output
current
percentage
Overload
count
Current
running
time
Current
power-o
n time
F8.05
LED display stop parameters
Range:0x0000~0xFFFF
Default:0x0033
Bit07
Bit06
Bit05
Bit04
Bit03
Bit02
Bit01
Bit00
Count
value
AI3
voltage
AI2
voltage
AI1
voltage
Digital output
status
X input
status
Bus
voltage
Set
frequency
Bit15
Bit14
Bit13
Bit12
Bit11
Bit10
Bit09
Bit08
Pulse
setting
frequency
PID setting
Load
speed
PLC
stage
Length
value