Mitsubishi Electric FR-E540 Instruction Manual Page 147

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PARAMETERS
134
4.2.43 RT signal activated condition selection (Pr. 155)
Pr. 155 "RT signal activated condition"
#
Set the condition of activating the RT terminal to select the second control functions by switching on-off the
RT signal.
Parameter
Number
Factory
Setting
Setting Range
155 0 0, 10
<Setting>
Refer to the following table and set the parameter:
Pr. 155 Setting Description
0
Made valid immediately by switching the RT signal
on-off.
10
Made valid only when the RT signal is on at constant
speed.
(Invalid during acceleration/deceleration)
4.2.44 Stall prevention function and current limit function (Pr. 156)
Pr. 156 "stall prevention operation selection"
You can make setting to disable stall prevention caused by overcurrent, make setting to disable the fast-
response current limit which limits the current to prevent the inverter from resulting in an overcurrent trip if an
excessive current occurs due to sudden load variation or ON-OFF, etc. in the output side of the running
inverter, and set the OL signal output delay.
Parameter
Number
Factory
Setting
Setting Range
156 0 0 to 31, 100, 101
Pr. 14 "load pattern selection"
Pr. 44 to Pr. 49
(second function selection)
Pr. 180 to Pr. 186
(input terminal function selection)
Related parameters
Pr. 22 "stall prevention operation level"
Pr. 23 "stall prevention operation level
compensation factor at double
speed"
Pr. 48 "second stall prevention operation
current"
Pr. 49 "second stall prevention operation
frequency"
Pr. 154 "voltage reduction selection
during stall prevention operation"
Pr. 157 "OL signal output waiting time"
Related
p
arameters
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