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150 Unidrive SP Advanced User Guide
www.controltechniques.com Issue Number: 7
This parameter changes the logic polarity for digital inputs and digital outputs, but not the enable input, the relay output or the 24V output.
When this parameter is zero digital outputs are in push-pull mode. When this parameter is one either the high-side drive (negative logic polarity) or the
low-side driver (positive logic polarity) is disabled. This allows outputs to be connected in a wire-ORed configuration.
8.27 Relay source
8.28 T22 24V output source
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
2 1111
Default
Open-loop, Closed-loop vector, Servo
Regen
See Table 5-4 on page 148
See Table 5-5 on page 148
Range
Open-loop, Closed-loop vector, Servo,
Regen
Pr 0.00 to Pr 21.51
Update rate Read on drive reset
8.29 Positive logic select
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 1111
Default
Open-loop, Closed-loop vector, Servo,
Regen
On (1)
Update rate Background read
Pr 8.29 = 0 (negative logic) Pr 8.29 = 1 (positive logic)
Inputs <5V = 1, >15V = 0 <5V = 0, >15V = 1
Non-relay Outputs On (1) = <5V, OFF (0) = >15V OFF (0) = <5V, On (1) = >15V
Relay outputs OFF (0) = open, On (1) = closed OFF (0) = open, On (1) = closed
24V output (T22) OFF (0) = 0V, On (1) = 24V OFF (0) = 0V, On (1) = 24V
8.30 Open collector output
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
OFF (0)
Update rate Background read
8.31 T24 digital I/O 1 output select
8.32 T25 digital I/O 2 output select
8.33 T26 digital I/O 3 output select
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
Pr 8.31 = On (1),
Pr 8.32 and Pr 8.33 = OFF (0)
Update rate Background read
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