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140 Unidrive SP Advanced User Guide
www.controltechniques.com Issue Number: 7
The following modes are available for the analog input 3. A current loop loss trip is generated if the input current falls below 3mA. In modes 4 and 5
the analog input level goes to 0.0% if the input current falls below 3mA.
7.15 T8 analog input 3 mode
Drive modes Open-loop, Closed-loop vector, Servo, Regen
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
1111
Range
Open-loop, Closed-loop vector, Servo,
Regen
0 to 9
Default
Open-loop,
Closed-loop vector, Servo, Regen
8
6
Update rate Background read
Parameter value Parameter string Mode Comments
0 0-20 0 - 20mA
1 20-0 20 - 0mA
2 4-20.tr 4 -20mA with trip on loss Trip if I < 3mA
3 20-4.tr 20 - 4mA with trip on loss Trip if I < 3mA
4 4-20 4 - 20mA with no trip on loss
5 20-4 20 - 4mA with no trip on loss 0.0% if I < 4mA
6 VOLt Voltage mode
7 th.SC Thermistor with short circuit detection
TH trip if R > 3k3
TH reset if R < 1k8
THS trip if R < 50R
8 th Thermistor without short circuit detection
TH trip if R > 3k3
TH reset if R < 1k8
9 th.diSp Thermistor display only with no trip
7.16 T8 analog input 3 scaling
Drive modes Open-loop, Closed-loop vector, Servo, Regen
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
3111
Range
Open-loop, Closed-loop vector, Servo,
Regen
0.000 to 4.000
Default
Open-loop, Closed-loop vector, Servo,
Regen
1.000
Update rate Background read
7.17 T8 analog input 3 invert
Drive modes Open-loop, Closed-loop vector, Servo, Regen
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
111
Default
Open-loop, Closed-loop vector, Servo,
Regen
0
Update rate Background read
7.18 T8 analog input 3 destination
Drive modes Open-loop, Closed-loop vector, Servo, Regen
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
1 2 1111
Range
Open-loop, Closed-loop vector, Servo,
Regen
Pr 0.00 to Pr 21.51
Default
Open-loop, Closed-loop vector, Servo,
Regen
Pr 0.00
Update rate Read on drive reset
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