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5. PARAMETERS
5.4 (E) Environment setting parameters
5.4.9 Parameter write selection
Whether to enable the writing to various parameters or not can be selected. Use this function to prevent parameter values from
being rewritten by misoperation.
• Pr.77 can be set at any time regardless of the operation mode or operation status. (Setting through communication is
unavailable.)
Writing parameters only during stop (Pr.77 = "0" initial value)
• Parameters can be written only during a stop in the PU operation mode.
• The following parameters can always be written regardless of the operation mode or operation status.
*1 Writing during operation is enabled in PU operation mode, but disabled in External operation mode.
*2 Writing during operation is disabled. To change the parameter setting value, stop the operation.
Pr. Name Initial value Setting range Description
77
E400
Parameter write selection 0 0 Writing is enabled only during stop.
1 Parameter writing is disabled.
2 Parameter writing is enabled in any operation
mode regardless of the operation status.
Pr. Name Pr. Name
4 to 6 (Multi-speed setting high-speed, middle-speed,
low-speed)
551
*2
PU mode operation command source selection
22 Stall prevention operation level 555 to 557 (Current average value monitor)
24 to 27 (Multi-speed setting speed 4 to speed 7) 656 to 659 (Analog remote output)
52 Operation panel main monitor selection 663 Control circuit temperature signal output level
54 CA terminal function selection 675 User parameter auto storage function selection
55 Frequency monitoring reference 755 to 758 (Second PID control)
56 Current monitoring reference 759 PID unit selection
72
*1
PWM frequency selection 774 to 776 (PU/DU monitor selection)
75 Reset selection/disconnected PU detection/PU
stop selection
866 Torque monitoring reference
77 Parameter write selection 888, 889 (Free parameter)
79
*2
Operation mode selection 891 to 899 (Energy saving monitor)
129 PID proportional band 900 CA terminal calibration
130 PID integral time 901 AM terminal calibration
133 PID action set point 930 Current output bias signal
134 PID differential time 930 Current output bias current
158 AM terminal function selection 931 Current output gain signal
160 User group read selection 931 Current output gain current
232 to 239 (Multi-speed setting speed 8 to speed 15) 990 PU buzzer control
240
*1
Soft-PWM operation selection 991 PU contrast adjustment
241 Analog input display unit switchover 997 Fault initiation
268 Monitor decimal digits selection
998
*2
PM parameter initialization
290 Monitor negative output selection
999
*2
Automatic parameter setting
296, 297 (Password setting) 1000 Direct setting selection
306 Analog output signal selection 1006 Clock (year)
310 Analog meter voltage output selection 1007 Clock (month, day)
340
*2
Communication startup mode selection 1008 Clock (hour, minute)
345, 346 (DeviceNet communication) 1019 Analog meter voltage negative output selection
416, 417 (PLC function) 1142 Second PID unit selection
434, 435 (CC-Link communication) 1150 to 1199 (PLC function user parameters)
496, 497 (Remote output) 1211 to 1219 (PID gain tuning)
498 PLC function flash memory clear 1460 to 1466 (PID multistage set points 1 to 7)
550
*2
NET mode operation command source selection 1480 to 1485 (Load characteristics fault detection)
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