Rt Signal Activated Condition Selection (Pr. 155); Stall Prevention Function And Current Limit Function (Pr. 156) - Mitsubishi Electric FR-A520-0.4K -55K Instruction Manual

Pr. 154 Î Refer to Pr. 22.
z

RT signal activated condition selection (Pr. 155)

Pr. 155 "RT signal activated condition selection"
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Set the condition of activating the RT terminal to select the second control functions by switching on-off the
RT signal.
Parameter
Factory Setting
Number
155 0
<Setting>
Refer to the following table and set the parameter:
Pr. 155 Setting
Made valid immediately by switching the RT signal
0
on-off.
Made valid only when the RT signal is on at constant
10 speed.
(Invalid during acceleration/deceleration)
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Stall prevention function and current limit function (Pr. 156)

Pr. 156 "stall prevention operation selection"
Stall prevention and fast-response current limit can be disabled and the OL signal output delayed.
Parameter
Factory Setting
Number
156 0
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Setting Range
0, 10
Description
Setting Range
0 to 31, 100, 101
137
PARAMETERS
Related parameters
Pr. 14 "load pattern selection"
Pr. 44 to Pr. 49
(second function selection)
Pr. 81 "number of motor poles"
Pr. 180 to Pr. 186
(input terminal function selection)
Related parameters
Pr. 22 "stall prevention operation level"
Pr. 23 "stall prevention operation level at
double speed"
Pr. 47 "second stall prevention operation
current"
Pr. 48 "second stall prevention operation
frequency"
Pr. 114 "third stall prevention operation
current"
Pr. 115 "third stall prevention operation
frequency"
Pr. 154 "voltage reduction selection
during stall prevention operation"
Pr. 157 "OL signal output waiting time"