Specifications
NEW!
TRANSDUCERS
1444
NEW!
TRANSDUCERS
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WHEN YOU NEED IT RIGHT, RIGHT NOW, CALL KELE.
kele.com888-397-5353 USA
March 2014
4-20 mA
Output
24 VDC
Power Supply
V SIG IN
+ 24V PWR
COM
REF V OUT
MA SIG OUT
VTI with XR1
UCM-SPA or Potentio-
meter Sensor - any
end-to-end value from
100Ω to 10 kΩ. Specify
pot range when
ordering.
(red) (black)
Locate VTI close
to potentiometer
to minimize noise
pickup.
UAD-R1
Increase
4-20 mA
(blue)
(white)
(black)
(yellow)
(purple)
Using a Potentiometer to Vary a
4-20 mA Signal
4-20 mA
Output #1
24 VDC
Power
Supply
VTI-2
V SIG IN
COM
MA SIG OUT #1
REF V OUT
+ 24V PWR
Voltage
or
Current
Signal
(blue)
(white)
(black)
(purple)
(yellow)
4-20 mA
Output #2
MA SIG OUT #2
(brown)
(no connection)
Signal Duplication
Example: One 4-20 mA input becomes two identical 4-20 mA outputs.
4-20 mA Output
24 VDC
Power Supply
V SIG IN
+ 24V PWR
COM
REF V OUT
MA SIG OUT
VTI
4-20 mA
Voltage or
Current Signal
(blue)
(white)
(black)
(purple)
(yellow)
(no connection)
Voltage to Current,
Current to Current, and Signal Reversal
For signal reversal (20-4 mA OUT), specify reverse acting when ordering.
4-20 mA
Output #1
24 VDC
Power
Supply
VTI-2
V SIG IN
COM
MA SIG OUT #1
REF V OUT
+ 24V PWR
(white)
(black)
(purple)
(yellow)
4-20 mA
Output #2
MA SIG OUT #2
(brown)
(no connection)
Voltage
or
Current
Signal
(blue)
Signal Sequencing
Example: Output #1 is 4-20 mA over a 4-12 mA (1-3V) input.
Output #2 is 4-20 mA over a 12-20 mA (3-5V) input.
WIRING
VOLTAGE & CURRENT CONVERTER / RESCALER
VTI SERIES
ORDERING INFORMATION
OPTIONS
-XR1 Potentiometer to current converter
(includes UAD-R1, potentiometer not included)
ENCLOSURE
- Leave blank for snap-track mounting (VTI-1 only)
H 1/2'' Threaded hub mount
P Panel mount
D DIN rail mount
VTI-1 Voltage and current converter/rescaler, single output*
VTI-2 Voltage and current converter/rescaler, dual output*
Example: VTI-1-XR1 Potentiometer to current converter, snap-track mounted
Important! The VTI is
not intended for field
calibration and must be
factory-calibrated.
Please supply the
following information at
time of order: input,
output, and direct or
reverse acting.
MODEL DESCRIPTION
*
RELATED PRODUCTS PAGE
UCM-SPA Setpoint potentiometer, 0-10 k, three-wire potentiometer on stainless
steel plate for remote mounting, 0-100% setpoint 1363