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TC-ZT Thermal Resistance or Thermocouple Input Isolator (smart)
· 1 in 1 out, 1 in 2 out, 1 in 3 out, 2 in 2 out. Suitable for RTD or thermocouple temperature sensor inputs. The settings can be configured. LCD display (optional) or LED backlight indication. 0/4~20mA output. Terminal supply or DIN rail power supply is available.
· TC-ZT is suitable for thermal resistance or thermocouple signal input, isolated and converted to standard current signal output to control
System or other instrument.
· Switch the thermocouple and thermocouple input signals according to different wiring methods. The input signal type or range can be configured via software.
· LCD display (optional) or LED backlight indication.
· Output signal 4~20mA or 0~20mA
· This product requires a separate DC power supply. Voltage-type magnetic isolation between power supply-input-output.
Model / selection table:
Option |
Model and code |
Description |
Basic model |
TC-ZT |
Thermal Resistance or thermocouple input isolator |
Special function |
X |
LCD display |
F |
Input line fault alarm, sensor fault alarm |
|
|
Default, no special features |
|
Channel form |
11 |
1 in 1 out |
12 |
1 in 2 out |
|
13 |
1 in 3 out |
|
22 |
2 in 2 out |
|
Input signal |
-U |
Thermal resistance (RTD) or thermocouple (TC) |
Output signal |
A |
4~20mA |
B |
0~20mA |
|
Z |
Special order |
|
Power supply voltage |
-V1 |
Power supply (terminal) 20~32VDC |
-V2 |
Power supply (rail) 20~32VDC (special power supply DIN rail required) |
|
Service Code |
-QC9A |
Product Service Code |
Selection example |
Technical data:
Size:
Width |
12.7mm |
Height |
119.3mm |
Height |
115.7mm |
Housing Material / Color |
PC (Polycarbonate) + PPT Material / Black Gray |
Protection level |
IP20 |
Environmental conditions:
Ambient temperature |
-20~+60℃ |
Ambient temperature (storage or operation) |
-40~+80℃ |
Ambient humidity (operation) |
5~95%RH (no condensation) |
Input:
Available sensor types |
Pt100,Cu50 and other thermal resistance |
Available sensor types(TC) |
K,E,S,B and other thermocouples |
Temperature measurement range |
Depends on sensor type |
Output:
Current output |
4~20mA ; 0~20mA |
Maximum output current |
22mA(±1mA) |
Current Output Load |
Adaptive Load 0~300Ω (factory default) |
Output ripple |
<10mV p-p |
Output status at sensor failure |
Output current <3.5mA (lower limit) or >21mA (upper limit) |
Power supply:
Rated supply voltage |
24VDC |
Power supply voltage range |
20~32VDC |
Maximum current consumption |
<45mA (1 in 1 out); <75mA (2 in 2 out) |
General parameters:
Standard accuracy |
Typical values±0.1%FS |
Zero migration range |
-10~100mV or 0~385Ω |
Range migration range |
3.8~100mV or 12.8~400Ω |
Output resolution |
3.8~100mV or 12.8Ω~400Ωrange, 1μA |
Load change effect |
±2μA |
Thermistor input wire resistance effect |
Thermal resistance three-wire input (≤10Ω/line), <±0.005 %/Ω |
Thermocouple input cold junction compensation error |
±0.5~1°C (compensation range -15~+75°C) |
Temperature drift |
· -10~35mV range: 0.0005% or 0.6μV (whichever is larger) |
Power-on or storage time drift |
±2μA (180 days) |
Response time |
<10ms |
Power-on stabilization time |
<1s |
Maximum withstand voltage |
Input-output-power supply: 2500V AC RMS / 1 minute |
Protection parameters |
· Power-on shock protection, power-on slow start >20ms |
Electromagnetic compatibility (EMC) |
In accordance with IEC 61326-1 (GB/T 18268), IEC 61326-3-1 |
LCD display or LED backlight indication |
· LCD display: input value and output value |
Field device suitable for connection |
Thermal resistance or thermocouple temperature sensor, millivolt signal, transmitter or current source signal |
Mounting method |
Horizontal or vertical mounting, can be mounted on standard 35mm DIN rail (or dedicated busbar backplane powered DIN rail) |
Wiring parameters:
Rigid conductor cross section (min/max) |
0.5mm²/2.5mm² |
Flexible wire cross section (min/max) |
0.5mm²/2.5mm² |
Minimum wire cross section (AWG) |
24 |
Maximum wire cross section (AWG) |
14 |
Stripping length |
7mm |
Connection type |
M3 screw fastening connection |
Crew torque |
up to 0.6Nm |
Certification/standards:
CE certification |
Meet CE standards |
Product diagram / terminal wiring diagram: