| PRODUCT |
|
|
Changzhou Dacan Electronic Co., Ltd Mob: +86(0)13915077376 Tel: +86-519-85606622 Fax: +86-519-85607968 E_mail: sales@czdacan.com Web: www.czdacan.com |
1. Summarize
The One-way Frequency Transmitter, mainly transmit the measured power factor signals, to isolated output one-way analog signal or output digital signal, The power supply could be from the load devices.
The Products meet the standard of GB/T22264.1-2008, GB/T 13978-2008.
2. Typical Product Pictures
DC294F
3. Models and Meaning of Products
4. Products Models
|
Model Product function |
DC294F |
|
|
Input mode |
AC signal input |
√ |
|
DC signal input |
－ |
|
|
Input parameter |
Voltage |
－ |
|
Current |
－ |
|
|
Active power |
－ |
|
|
Reactive power |
－ |
|
|
Power Factor |
－ |
|
|
Power Factor Degree |
－ |
|
|
Frequency |
√1 |
|
|
Analog value output |
DC4-20mA (Default) |
√1 |
|
DC0-20mA/0-10V(Optional) |
||
|
Communication |
RS485, Modbus-RTU |
－ |
|
Electric energy pulse |
Passive stem node |
－ |
|
Installation mode |
35mm standard rail |
|
Remark:
1) “√” means the model has the function.
2) “ – “ means the model doesn’t have such function.
3) The number means channel, for example: 2 means the model has the function with 2 channels.
5. Technical Specifications
|
Parameters |
|||||
|
Accuracy class |
Class 0.5 (Default), Class 0.2 |
||||
|
Input |
Nominal |
Current |
1A, 5A, etc. |
||
|
Voltage |
AC 100V, 220V, 380V / DC 45mV, 75mV, 100V |
||||
|
Process value |
Current |
Continuous: 2 times; Instantaneous: 10 times, 5s |
|||
|
Voltage |
Continuous: 1.2 times; Instantaneous: 2 times, 1s |
||||
|
Absorbed power |
0.3VA (100V), 0.6VA (220V), 1VA (380V) |
||||
|
Frequency |
45-65Hz |
||||
|
Output |
Rated value |
0-20mA |
4-20mA |
0-10V |
|
|
Load resistance |
0＜RL＜1kΩ |
0＜RL＜1kΩ |
RL≥5kΩ |
||
|
Maximum output |
Rated 30mA |
||||
|
Output ripple |
≤0.5% peak value |
||||
|
Response time |
300ms |
||||
|
Power supply |
Working scope (1) |
AC/DC 85-264V |
|||
|
Working scope (2) |
DC 24V (Optional) |
||||
|
Power consumption |
＜3.5VA |
||||
|
Function modules |
Electric energy pulse |
Passive optical coupler collector output |
|||
|
Communication interface |
1-way RS485 communication interface, Modbus-RTU Protocol |
||||
|
Transmission output |
0-20mA/4-20mA/0-5V/1-5V transmission output, programmable to setting transmission items and relative output data. |
||||
|
Security |
Insulation resistance |
≥100MΩ, 500V DC |
|||
|
Resist pressure |
2kV, 50Hz, 1min |
||||
|
Surge voltage |
5kV (peak), 1.5/50us |
||||
|
Work environment |
Temperature |
-10℃～55℃ |
|||
|
Relative humidity |
≤93％RH |
||||
|
Altitude |
Non-corrosive gas forum, Altitude ≤2500m |
||||
|
Storage environment |
Temperature |
-20℃～75℃ |
|||
|
Relative humidity |
≤93％RH |
||||
6. Outline Dimension
DC294F
7. Typical Functions Terminal Numbering
Note: the above diagram is only for reference, the actual parameters in the factory shall prevail.
8. Ordering Example
l Model: DC294F
l Power Supply: AC 220V
l Input Signal: AC100V, 45~55Hz
l Output Signal: DC 4~20mA
l Accuracy class: Class 0.5
l Quantity: 10pcs
l Other: other factory pre-sets (if no indication when ordering, ex-factory products will be delivered in accordance with the default setting).
