Dynisco ATC770, Installation And Operation Manual

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10
segment blinks for pressure greater than full scale value.
Indicators:
9 red LED’s annunciator for:
A1
Lit when alarm 1 is in Alarm State
A2 Lit when alarm 2 is in Alarm State
A3 Lit when alarm 3 is in Alarm State
SMRT Flashing when the first step of SMART algorithm is activated
Lit when the second step of SMART algorithm is activated
MAN Lit when device is in manual mode
RSP Lit when Remote Set Point is selected
REM Lit when device is controlled by serial link.
The LED’s:
0 25 50 75 and 100 % are always on to improve the bar-graph indication.
5 green LED annunciators for:
SP
Lit when lower display shows the Set Point
DEV Lit when lower display shows the deviation (Measured Variable minus Set Point
OUT% Lit when lower display shows the Output Value (absolute value with 0.1% resolution)
RPM
Lit when lower display shows the Output Value scaled to RPM
PEAK Lit when lower display shows the peak value
2.3 M
AIN
I
NPUT
S
PECIFICATION
Main Input: Selectable between strain gage and linear by jumper and configuration.
Strain Gage Input: 350 Ohm, 2-4 mV/V. Excitation 10 VDC
±
7%. 6 wire connection.
Linear Input: Selectable between 0-5 VDC, 0-10 VDC, 0-20 mA, 4-20 mA.
Input Signal: -25/125% of full scale (approximately -10 / 50mV).
Shunt Calibration: With or without shunt resistor (value programmable from 40.0 to 100.0%).
Zero Balance:
±
25% of full scale (approximately
±
10 mV).
Auxiliary Power Supply: 24 VDC / 1.5W
±
2% power supply for two or four wire transmitter.
Input Impedance:
<10 Ohm for linear current input
>165 Kohm for linear voltage input
Input Protection: Open circuit detection for strain gage (on signal and excitation wires) and 4-20
mA inputs; it is not available for 0-5 VDC, 0-10 VDC and 0-20 mA. Up or down scale keyboard
programmable.