Menu 15
I/O options
Commander SK Advanced User Guide
181
Issue Number: 9
.
In modes 2 and 3, a current loop loss trip will be generated as SL.Er if the current input falls below 3mA, and Pr
15.50
will be set to a 2.
If 4-.20 or 20-.4 modes are selected, Pr
15.03
will switch from OFF to On to indicate that the current reference is less than 3mA.
If Bi-Polar operation is required, the -10V reference must be generated and supplied by an external power supply.
Terminal T3 is a voltage/current output. The setting of this parameter configures the terminal to the required mode.
This parameter displays the level of the analog signal present at analog input 1.
In voltage mode, this is a bipolar voltage input where the input range is -10V to +10V.
In current mode, this is a unipolar current input having a maximum measurable input of 20mA. The drive can be programmed to convert the measured
current to any one of the defined ranges in Pr
15.38.
The selected range is converted to 0 - 100.0%.
This parameter is used to scale the analog input if so desired. However in most cases it is not necessary as each input is automatically scaled such
that for 100.0%, the destination parameters (defined by the settings of Pr
15.43
) will be at maximum.
This parameter can be used to invert the analog input reference (i.e. multiply the input scaling result by -1)
Value
Display
Function
0
0-20
0 to 20mA
1
20-0
20 to 0mA
2
4-20
4 to 20mA with trip on loss
3
20-4
20 to 4mA with trip on loss
4
4-.20
4 to 20mA with no trip on loss
5
20-.4
20 to 4mA with no trip on loss
6
VoLt
-10 to +10 volts
15.39
Analog output 1 mode (Terminal T3)
Coding
Bit
SP
FI
DE Txt VM DP ND RA NC NV
PT
US RW BU PS
1
1
1
1
Range
0-20(0), 20-0(1), 4-20(2), 20-4(3), VoLt(4)
Default
0-20(0)
Update rate
Background read
Value
Display
Function
0
0-20
0 to 20mA
1
20-0
20 to 0mA
2
4-20
4 to 20mA
3
20-4
20 to 4mA
4
VoLt
0 to +10V
15.40
Analog input 1 level (Terminal T2)
Coding
Bit
SP
FI
DE Txt VM DP ND RA NC NV
PT
US RW BU PS
1
1
1
1
Range
-100% to +100%
Update rate
Background write
15.41
Analog input 1 scaling (Terminal T2)
Coding
Bit
SP
FI
DE Txt VM DP ND RA NC NV
PT
US RW BU PS
3
1
1
1
Range
0.000 to 4.000
Default
1.000
Update rate
Background read
15.42
Analog input 1 invert (terminal T2)
Coding
Bit
SP
FI
DE Txt VM DP ND RA NC NV
PT
US RW BU PS
1
1
1
Range
OFF(0) or On(1)
Default
OFF(0)
Update rate
Background read
NOTE
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