Mitsubishi Electric FR-V500 Instruction Manual page 90

REMARKS
• When running two motors with one inverter, you can set the electronic thermal relay function of each inverter.
Pr. 9
Pr. 450
"electronic
"second applied
thermal O/L
motor"
relay"
9999
9999 Other than 0
Other than 9999
Other than 9999 Other than 0
• It is valid for controlling one motor with one inverter in two different control systems.
• It is valid for controlling the first motor with an external thermal relay and the second motor with an electronic thermal relay
function.
Related parameters
• When constant-torque motor is used ⇒ Pr. 71 "applied motor", Pr. 450 "second applied motor" (Refer to page 111.)
• Use of second motor ⇒ Pr. 450 "second applied motor" (Refer to page 111.)
• RT signal setting ⇒ Set "3" in any of Pr. 180 to Pr. 183 and Pr. 187 (input terminal function selection). (Refer to page 150.)
Pr. 452
"second
electronic
thermal
O/L relay"
9999
0 0
0.01 to 500
9999
0
0.01 to 500
9999
0 0
0.01 to 500
9999
0
0.01 to 500
... Output current value is used to perform integration processing.
... Output current is assumed as 0A to perform integration processing. (cooling processing)
... Electronic thermal relay function is not activated.
81
Basic functions (Pr. 0 to Pr. 9)
First Motor Electronic
Thermal Relay Function
RT = OFF RT = ON
Second Motor Electronic
Thermal Relay Function
RT = OFF RT = ON
3