1
OVERVIEW / DEVICE DESCRIPTION
1.1 General Description
The TA1 TrueTension
™
Amplifier with Quik-Cal
™
push-button zero and calibration is a
compact, versatile single-channel tension transducer interface. It can be used with DFE
tension transducers to monitor tension in any zone on web or filament processing
machinery.
The TA1 amplifier is powered by 24 VDC and supplies an excitation signal to connected
tension transducers installed in a machine's web path. The amplifier boosts the millivolt-
level tension-signal input from a DFE tension transducer (or transducer pair) to output a
proportional 0-10 VDC (isolated) and 4-20 mA signal to a PLC, drive or display meter.
The standard configuration for the TA1 is a 3.9"H x 4.41"D x 0.89"W enclosure with
connector terminals that mounts in a vertical orientation onto a DIN rail. The unit can
also be screw mounted. The TA1 is CE marked.
1.2 Specifications
Power Input:
Voltage: 24 VDC +/- 10%, Current: 0.1 ADC typical, internal fusing PTC
resettable
Temperature Range:
32
E
F to 122
E
F (0
E
C to 50
E
C)
Tension Amplifier Accuracy:
+/- 1/2% drift at ambient maximum
Tension Outputs:
Output 1: 0-10 VDC isolated from 24 VDC input GND
Output 2: 4-20 mA isolated from 24 VDC input GND
Calibration Range:
Up to 50:1
Processor:
32 Bit
Weight:
0.25 lbs (114g)
Resolutions
: ADC - 16,777,216(24 Bit), DAC - 4,096 (12 Bit)
1.3 Features
•
Quik-Cal™
push-button zero and calibration eliminates pot adjustments to make
calibrating simple and fast.
•
10% or 25% Calibration Ratio.
Full output when tension is at 10 or 4 times the
calibration weight.
•
DIN Rail Clip
. To be used with 35 mm DIN rail. Can be converted to screw mount.
•
2 Tension Outputs
. Outputs a 0-10 VDC and 4-20 mA proportionate signal to a
PLC, drive, or display meter.
•
Dual Calibration
. Allows two calibration settings. Dual calibration example
applications:
a. One set of transducers operating in a wide tension range. Dual calibration and
dual meter scale is used to enhance the resolution of indicated tension.
b. One set of transducers that may be subject to two different wrap angles or web
paths. In this case a dual meter scale may, or may not, be required.
•
Status LED.
Green LED flashes to verify ZERO and CALIBRATION, and indicates
presence of power and proper circuit operation. If power is on and no faults are
detected, LED will be on solid. LED will flash momentarily to indicate acceptance of
a ZERO or CALIBRATION button push.
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