Mitsubishi — 5.3.7 Parameter write selection

• When the keys become disabled, " " appears on the operation panel for a moment. If the key operation is attempted while the keys are disabled, " " appears. (After no key operation for 2 seconds, the display returns 2 to the monitoring screen.) • To enable the keys again, press for 2 seconds. 2 3 • The PU stop warning cannot be reset by using keys while the key lock function is enabled. 4 Pr.1 Maximum frequency  page 117 5.3.7 Parameter write selection 5 Whether to enable the parameter write or not can be selected. Use this function to prevent parameter values from being rewritten by misoperation. 6 7 • Pr.77 can be set at any time regardless of the operation mode or operation status.

(Setting through communication is unavailable.) 8  Parameter write enabled 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. 9 10 *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, stop the operation.  Parameter write disabled (Pr.77 = "1") • Parameter write, Parameter clear, and All parameter clear are disabled.

(Parameter read is enabled.) • The following parameters can be written even if Pr.77 = "1". *1 Writing during operation is disabled. To change the parameter setting, stop the operation. 89 5. PARAMETERS 5.3 (E) Environment setting parameters NOTE • Even while the keys are disabled, the monitoring and are enabled. Parameters referred to Pr. Name Initial value Setting range Description 77 E400 Parameter write selection 0 0 Parameter write is enabled only during stop. 1 Parameter write is disabled. 2 Parameter write is enabled in any operation mode regardless of the operation status. Pr.

Name 4 to 6 (Multi-speed setting high-speed, middle- speed, low-speed) 22 Stall prevention operation level 24 to 27 (Multi-speed setting speed 4 to speed 7) 72*1 PWM frequency selection 75 Reset selection / Disconnected PU detection / PU stop selection 77 Parameter write selection 79*2 Operation mode selection 129 PID proportional band 130 PID integral time 133 PID action set point Pr.

Name 134 PID differential time 232 to 239 (Multi-speed setting speed 8 to speed 15) 240*1 Soft-PWM operation selection 296, 297 (Password setting) 340*2 Communication startup mode selection 551*2 PU mode operation command source selection 774 to 776 (Operation panel monitor item selection) 990 PU buzzer control 991 PU contrast adjustment Pr. Name 22 Stall prevention operation level 75 Reset selection / Disconnected PU detection / PU stop selection 77 Parameter write selection Pr. Name 79*1 Operation mode selection 296 Password lock level 297 Password lock/unlock