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DS-WPD/WII two-wire loop power distribution isolator (two-wire loop current signal isolator)
· Two-wire system, 4~20mA isolated transmission. 1 in 1 out, 2 in 2 out. Small plug-in structure, universal base type terminal, standardized wiring, easy installation and convenient maintenance.
· DS-WPD 2-wire loop power distribution isolator or DS-WII current input isolator is a supplement to the four-wire equivalent meter. It features only two power supply lines and output current signal lines. The signal current is equal to the supply current, so the structure is simple, eliminating the need for 2 terminals and their wiring. In the case of small usage and low load, it is a viable option.
· Two-wire system, 4~20mA isolated transmission.
· Small plug-in structure, universal base type terminal, standardized wiring, easy installation and convenient maintenance.
Model / selection table:
Option |
Model and code |
Description |
Basic model |
DS-WPD |
Two-wire loop power distribution isolator |
DS-WII |
Two-wire loop current signal isolator |
|
Channel form |
11 |
1 in 1 out |
22 |
2 in 2 out |
|
Input signal |
-A |
4~20mA |
Output signal |
A |
4~20mA |
Service code |
-QC9A |
Product Service Code |
Selection example |
Technical data:
Size:
Width |
14.5mm |
Height |
102.6mm |
Height |
124mm |
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:
Input signal |
4~20mA |
Voltage drop |
≤2.5V (20mA) |
Distribution voltage |
≥12V (when the power supply voltage is greater than 24V) |
Output:
Current output |
4~20mA |
Current output load |
0~300Ω |
Output ripple |
<5mV p-p |
Power supply:
Output loop power supply |
≤30V DC |
General parameters:
Standard accuracy |
Typical values±0.1%FS |
Temperature drift |
<±1μA/10℃ |
Load change effect |
±±0.1% |
Response time |
<10ms |
Electrical isolation |
Between input and output: 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 |
Mounting method |
Horizontal or vertical mounting, can be snapped onto standard 35mm 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: