SPECIFICATIONS
| Platinum Temperature Module (04PT) |
Centigrade (°C) |
Fahrenheit (°F) |
|
|
| Power supply voltage |
24 VDC (20.4VDC~26.4VDC) ( –15%~+10%) |
| Analog input channel |
4 channels per module |
|
Sensors type
|
3-WIRE PT100Ω 3850 PPM/°C(DIN 43760 JIS C1604-1989) |
| Current excitation |
1 mA |
| Temperature input range |
-200°C~600°C |
-328°F~1112°F |
| Digital conversion range |
K-2000~K6000 |
K-3280~K11120 |
| Resolution |
14 bits(0.1°C) |
14 bits(0.18°F) |
| Overall accuracy |
±0.5% of full scale of 25°C(77°F), ±1% of full scale during 0~55°C (32~131°F) |
| Response time |
200 ms xchannels |
| Isolation method |
Isolation between digital and analog circuitry. There is no isolation between channels. |
| Digital data format |
2’s complement of 16-bit, (13 Significant Bits) |
| Average function |
Yes (CR#2~CR#5 may be set and the range is K1~K4096) |
| Self diagnostic function |
Yes |
|
Delta: Temperature Measurement Module (DVP04PT-S)
The Basic Concept of Platinum Temperature Sensor (PT100)
Platinum temperature sensor is highly accurate and stable and the quality of linearity between -200°C and 600°C is fairy good. Generally speaking, the temperature coefficient of PT100 temperature sensor is significant at low temperature -200°C ~ -100°C, and the quality of linearity is good at middle temperature 100°C ~ 300°C. The temperature coefficient becomes small the temperature is high, i.e. 300°C ~ 500°C. The resistance of PT100 is 100Ω when the temperature is at 0°C, which is the standard for a metallic temperature sensor. The use of PT100 temperature sensor should avoid the working current that is too big in order to reduce self-heating. It can therefore confine the rated current to be below 2mA. The self-heating of 1mW of PT100 will cause a temperature variation of 0.02°C ~ 0.75°C. Therefore, reducing the current of PT100 can also reduce the temperature variation. However, if the current is too small, PT100 will be interfered by noise easily. In the case, it is appropriate to confine the current between 0.5mA and 2mA.
DVP04PT temperature measurement module is able to receive 4 points of platinum temperature sensors (PT100 3-WIRE 100Ω 3850 PPM/°C (DIN 43760 JIS C1604-1989)) and convert them into 14-bit digital signals. The data in DVP04PT can be read/written by using FROM/TO instructions in the program of DVP-PLC MPU. There are 49 16-bit control registers in the module. The power unit is separate from the module and is compact in size and easy to install. You can select temperature displayed in Celsius (°C) or Fahrenheit (°F). Resolution of temperature in Celsius: 0.1°C and in Fahrenheit: 0.18°F.
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FAQ
1.Q:Other suppliers have a better price than yours?
A: ''To create the greatest benefit for clients'' is our belief, if you have a better price, please let LANEN know. We will try the best to meet your target price and support you.
2.Q:What's the delivery time ?
A: Normally we have enough stock for regular models(such as PLC FX3U-64MR/ES-A ) and we can deliver immediately at the same day after payment received. For some products that is not in stock, we normally deliver within one week.
3.Q:What is the standard of package?
A: Export standard package or special package according to customer requirement.
4.Q: Could Wusu provide technology support?
A: We're in this field for more than 15 years and we have our own technical team. Our engineer could give suggestion and help to solve the problem if there's any problem.
5.Q:Does Wusu keeps goods in stock or only trading?
A: We have warehouses in Guangzhou and HongKong and keep large stock of goods in it, that's how we promise fast delivery.
