Summarize
Thermocouple input isolator, transfers TC, mV signal into 0/4~20mA or
0/1~5V and output isolatedly. It has automatic cold junction compensation
function. It is intelligent and could be configured with parameters such as the
graduation of thermocouple and the scope of range through computer. This
product should be supplied power independently. Input circuit, output circuit
and power supply are each galvanically isolated.
Specification
Number of channels: 1
Supply voltage: 20~35V DC
Current consumption: (at 24V DC supply, 20mA output)≤35mA
Input: See “input signal and range scope list” as below
Note: 1.% of output accuracy is relative to the setting range, should take a
bigger of relative error and absolute error as the output accuracy in
application.
2.TC input, transfer accuracy not contain cold junction compensation
error; Every increase in compensation wire 100Ω, cold end error
increases 0.2 ℃
3.TC type B input, the lower limits of temperature range must be
greater than 680℃, to meet the accuracy specifications.
4. mV signal has to be customized.
Output: Current: 0/4~20mA; Load resistance: RL≤300Ω
Voltage: 0/1~5V; Load resistance: RL≥20kΩ
(Note: output current: load resistance: , Current consumption:
, need be customized)
Alarm indication:
Lower than range, flashing, output current ≈ 3.8mA
Higher than range, LED H flashing, output current ≈ 20.8mA
Breakage, both L and H are flashing , output current ≈ 20.8mA
(Note: breakage alarm current<4mA or other special requirements, need to
be customized)
Temperature drift: 0.01%F.S./℃
Cold junction compensation error : ±1℃(-20℃~+60℃)
Response time: Reach 90% of final value in 1s
Power supply protection:
Protect the product from reverse supply voltge destroy
Electromagnetic compatibility: According to IEC 61326-1(GB/T 18268)
Dielectric strength:
1500V AC; 1minute(among power supply, input and output )
Insulation resistance:
≥100MΩ; 500V DC(among power supply, input, output and the shell)
Weight: Approx.100g
Suitable IS apparatus: TC and mV signal sensor
RL≤550Ω ≤
50mA
LED L
Operation Conditions Application
Dimensions
114.5mm×99.0mm×17.5mm
1 2 3
17.5mm 114.5mm
99.0mm
35.0mm
CZ3072
20uV 0.1%/
Signal Type Signal Range Min. Span Accuracy
T
E
J
-200℃ ～+ 400℃
-200℃ ～+ 900℃
-200℃～+1200℃
50℃
50℃
50℃
0.5℃ %/0.1
K
N
R
S
B
TC
mV
-200℃～+1372℃
-200℃～+1300℃
-40℃～+1768℃
-40℃～+1768℃
+320℃ ～+ 1820℃
-100mV～+ 100mV
50℃
50℃
500℃
500℃
500℃
10mV
0.5℃/0.1%
0.5℃/0.1%
1.5℃/0.1%
1.5℃/0.1%
1.5℃/0.1%
0.5℃/0.1%
0.5℃/0.1%
1(+ ) 2(- )
24V DC
-
DCS、PLC
4 20mA~
RL
+
-
+
9(- )
8(+ )
mV
mV TC
5(- )
4(+ )
7
9
8
Pt100
(1).The air should not contain any medium corrupting the coat of chrome,
nickel and silver. Moreover,violent quiver and impact or any cause of
electromagnetic induction (such as big current or spark, etc.)must be
avoided when using.
(2). Operating temperature: -20℃~+60℃
(3). Storage temperature: -40℃~+80℃
(4). Relative humidity: 10%~90%
Configuration software EasyConfig
EasyConfig is configuration software. Based on the Windows operating
system, the software is easy to use for its friendly interface and the use of
USB interface. The parameters such as the sensor type and range scope
could be set in by users the software.
Version of operating system: Windows XP and above version
Hardware interface: USB interface
Dedicated adapter: USBCOM-MINI(dedicated USB to RS-232 serial
connection)
