Mitsubishi Electric A800 Plus Series Function Manual page 144

The following table shows a setting example.
Item
Tension feedback
input method
Parameter setting
8
Tension command input selection
Set the following parameter according the tension input method.
Pr. Name
Tension / Torque command
804
source selection
The following table shows a setting example.
Item
Tension command
input method
Parameter setting
Parameter setting procedure for tension sensorless torque control
Setting by analog voltage (0 to 10 V) input through terminal 1 (Pr.363 = "5")
Tension feedback
100 N
Pr.1139
0 N
Pr.1137
Pr.1136 Tension sensor feedback voltage/current bias = 0%
Pr.1137 Tension sensor feedback bias = 0 N
Pr.1138 Tension sensor feedback voltage/current gain = 100%
Pr.1139 Tension sensor feedback gain = 100 N
Setting
0
(initial value)
1
2
3
4
5
6
Setting by analog voltage (0 to 10 V) input through terminal 1 (Pr.804 = "0")
Tension command value
Pr.1405
(Maximum tension)
Pr.1403
(Minimum tension)
Pr.868 Terminal 1 function assignment = "3 or 4"
Pr.1402 Tension command input voltage bias = 0%
Pr.1403 Tension command bias = Minimum tension
Pr.1404 Tension command input voltage gain = 100%
Pr.1405 Tension command gain = Maximum tension
Pr.1401 Tension command increment = "0" (0.01 N increment)
TENSION SENSOR FEEDBACK TORQUE CONTROL
Setting example
Analog input value
0 V 10 V
Pr.1136 Pr.1138
(0%) (100%)
Input terminal
Tension command by terminal 1 analog input (-10 to 10 VDC)
Tension command by terminal 6 analog input (-10 to 10 VDC)
(FR-A8AZ)
Tension command by the parameter setting (Pr.365 or Pr.366)
Tension command by the pulse train command (FR-A8AL)
Tension command via CC-Link communication
(FR-A8NC/FR-A8NCE)
Tension command via PROFIBUS-DP communication (FR-A8NP)
Tension command by 12/16-bit digital input (FR-A8AX)
Tension command via CC-Link communication
(FR-A8NC/FR-A8NCE)
Tension command via PROFIBUS-DP communication (FR-A8NP)
Setting example
Analog input value
0 V 10 V
Pr.1402 Pr.1404
(0%) (100%)
6
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