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产品简介
日本爱模MX-UNIT系列信号变换器，插入式前配置，现场LED显示实际量程输入，显示屏方便使用前部项目/数据按钮进行编程，2000 Vac 隔离。
功能简介
MXT
Plug-in Signal Conditioners MX-UNIT
THERMOCOUPLE TRANSMITTER
(front configurable)
Functions & Features
• Converts a thermocouple input into a linearized process signal
• Field-programmable T/C type, temperature ａnd output range
• Easy programming via front UP-DOWN keys with a help of 4-digit ａnd 2-digit displays
• I/O signal inversion feature
• Isolation up to 2000 V AC
• Loop test output
• High-density mounting
Typical Applications
• Isolation between control room ａnd field instrumentation
• Ideal for quick spare part
MODEL: MXT–[1]–[2][3]
ORDERING INFORMATION
• Code number: MXT-[1]-[2][3]
Specify a code from below for each [1] through [3].
(e.g. MXT-V1-M2/Q)
• Specify the specification for option code /Q
(e.g. /SET)
[1] OUTPUT
Current
Z1: Range 0 – 20 mA DC (Load resistance 600Ω max.)
Voltage
V1: Range -1 – +1 V DC (Load resistance 1000Ω min.)
V2: Range -10 – +10 V DC (Load resistance 10kΩ min.)
[2] POWER INPUT
AC Power
M2: 100 – 240 V AC (Operational voltage range 85 – 264 V,
47 – 66 Hz)
DC Power
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
P: 110 V DC
(Operational voltage range 85 – 150 V, ripple 10 %p-p max.)
[3] OPTIONS
blank: none
/Q: With options (specify the specification)
SPECIFICATIONS OF OPTION: Q
EX-FACTORY SETTING
/SET: Preset according to the Ordering Information Sheet
(No. ESU-1712)
GENERAL SPECIFICATIONS
Construction: Plug-in
Connection: M3.5 screw terminals
Housing material: Flame-resistant resin (black)
Isolation: Input to output to power
■ DISPLAY
LED: 8 mm (.31”) 7 segment, red
Number of display digits: 4 digits for DATA display; 2 digits for ITEM display
PV indication: Input signal in engineering unit
Overrange indication: LEDs blinking
Burnout indication: LEDs blinking ａnd the PLC turns on.
Power saving mode: Displays turn off if the keys are untouched for a preset time period
LEDs: Red; the PL1 turns on with negative polarity ａnd the PL2 with programming error.
Programming: Via front keys
• Input Type
• Moving average
• Burnout
• etc.
For detailed information, refer to the instruction manual.
INPUT SPECIFICATIONS
Input resistance: 1 MΩ min.
Burnout sensing: ≤ 0.2 μA
Default setting: K (CA) 0 – 100°C
OUTPUT SPECIFICATIONS
• DC Current: 0.0 – 20.0 mA DC
Operational range: 0.0 – 24.0 mA DC
Minimum increment: 0.1 mA
Default setting: 4.0 – 20.0 mA DC
• DC Voltage
Code V1: -1.00 – +1.00 V DC
Operational range: -1.15 – +1.15 V DC
Minimum increment: 10 mV
Code V2: -10.0 – +10.0 V DC
Operational range: -11.5 – +11.5 V DC
Minimum increment: 100 mV
Note: Set to the 100 % output with a larger value than the
0 % output value.
Default setting:
Code V1: -1.00 – +1.00 V DC
Code V2: -10.0 – +10.0 V DC
INSTALLATION
Power Consumption
•AC: Approx. 6 VA
•DC: Approx. 3.5 W (100 mA at 24 V)
Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface or DIN rail
Weight: 450 g (0.99 lbs)
PERFORMANCE
Accuracy: Input + output
Input: ±0.3°C (±0.54°F)
Output: ±0.05 %
Min. span required to ensure the accuracy:
20 % of the nominal I/O range
Display accuracy: Input accuracy ±1 digit
Cold junction compensation error: ±0.5°C or ±0.9°F
(at 20°C ±10°C or 68°F ±18°F)
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
Response time: ≤ 0.5 sec. (0 – 90 %)
Burnout response time: ≤ 2 sec.
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @1 minute (input to output to power to ground)
STANDARDS & APPROVALS
CE conformity:
EMC Directive (2004/108/EC)
EMI EN 61000-6-4: 2007
EMS EN 61000-6-2: 2005
Low Voltage Directive (2006/95/EC)
EN 61010-1: 2001
Installation Category II
Pollution Degree 2
Input or output to power: Reinforced insulation (300 V)
Input to output: Basic insulation (300 V)
EXTERNAL VIEW
Refer to the instruction manual for detailed procedures.
DIMENSIONS unit: mm (inch)
TERMINAL ASSIGNMENTS unit: mm (inch)
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
