Unitech UT-1405, Инструкция по эксплуатации, Страница: 7 / 18

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UT-1405
TEMP. AND DIFF. PRESS. INDICATOR
5
2.4 Technical Features
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FDA 21 CFR part 11 - GAMP-4 compatible.
Micro controller-based indicator with inbuilt DP measurement.
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Incorporates highly stable built-in sensor.
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3 Digit, 0.56" Bright LED display for displaying parameter.
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Process parameter Hi and Low LEDs. Status indication for one channel.
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User selectable set limits for process value violation.
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Inbuilt buzzer to audible process value violation.
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Password protection for calibration and programming mode.
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Software Calibration for both channels.
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MODBUS RTU multi drop RS-485 serial communication for PLC, SCADA, etc.
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Programmable devise address, baud rate, (max no. of device is 1-256).
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Remote programmable from master device.
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Compact, All Stainless Steel enclose with 35 mm depth for installation in prefab panels.
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Brick and modular wall mounting and flush mounting.
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User programmable offset correction.
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Ex. Flameproof model available for Hazardous applications.
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This instrument enables you to measure parameters in the following fields:
HVAC System (Heating, ventilation, Air conditioning, cooling)
Pharmaceutical industry.
Blood Storage stations, pharmacies.
2.5 Wiring Diagram
CAUTION
LINE VOLTAGE
This product is suitable for Supply connection 24 VDC main power supply. It is user
responsibility to provide proper protection for the products electrical protection .
when applying power to various instruments, make sure sufficient current is supplied.
otherwise the instruments may not start up due to the Voltage drop.
AILURE TO COMPLY WITH THESE INSTRUCTION MAY RESULT F
IN INSTRUMENT DAMAGE
CAUTION
WIRING CONSIDERATION
Shielded twisted pair wire is used for all analog I/P, Process sensors RTD,
Thermo-couple, mV-mA DC, Volt DC, Linear input and Communication.
AILURE TO COMPLY WITH THESE INSTRUCTION MAY RESULT F
IN INSTRUMENT DAMAGE
SUPPLY
24 VDC
DC SUPPLY
1
2
COMMUNICATION
RS-485
3 4
COMMNICATION
D+ D-
INPUT SENSOR
TEMP SENSOR
5 6 7 8
YELL
O
W
BLA
CK
GREEN
RED
UT-1405
1 2 3 4
RS - 485
D- D+
24VDC
24V
SUPPLY
0V
TEMP+DP INDICATOR
COMM.
DP
H L
5 6 7 8
G B Y R
TEMP SENSOR
INPUT