- Terminal Board no yɛ adwuma
- Ahobammɔ Akwanside ahorow a Atew ne Ho
- Nneɛma a Wɔde Tew Nsɛnkyerɛnne Ho
- Mfiri a Ɛbɔ Surge Ho Ban
- Ahobammɔ Relays
- I/O Modules a Ɛyɛ Nyansafo a Wɔatew Wɔn Ho
- Apon a Ɛyɛ Nyansa
- Nnwumayɛbea Data Optical Transceivers
- Intanɛt so Dew Point Analyzers
- Data a Wɔde Nya Nneɛma
- HART data a wɔde dannan nneɛma
PHD-12TF-288 /PHD-22TF-2828 na ɛwɔ hɔ
Nsɛm a wɔaka abom
Na ahobammɔ akwanside a atew ne ho ne switch input transistor output, a yiyi na ɛde input signals fi switch contacts anaa proximity mu kɔ dannan wɔ mmeae a asiane wɔ kɔ ahobammɔ beae a output transistor denam ahobammɔ akwanside no so. Line mfomso detection no nam LED a ɛwɔ module no atifi. Wɔde module no dial switch no di dwuma sɛ wobɛhyehyɛ input ne output in-phase anaa reverse control, ne sɛnea wobɛma ayɛ adwuma anaasɛ gyae line fault detection alarm kyerɛ adwuma no.
Saa ade yi hia ahoɔden a ɛde ne ho, a ahoɔden a atew ne ho wom nneɛma a wɔde ma, nea wɔde hyɛ mu, ne nea wɔde fi mu ba.
| Nsɛm a Wɔakyerɛkyerɛ mu | |
| Input wɔ beae a asiane wɔ | |
| Input sɛnkyerɛnne | Sesa nkitahodi/bɛn switches |
| Nneɛma a wɔde ma no voltage a ɛwɔ sensor no mu | Bɛyɛ 8V |
| Input frequency range a wɔde hyɛ mu | |
| Input/output su ahorow: | |
| Wɔ site no so input mprempren | >2.1mA, wɔato output no mu, a ɛkyerɛ sɛ ON; |
| Sɛ | |
| Switched control ntam inverted phase ne normal phase of outputs ec | Sɛ dial switch K1 no wɔ "ON" a, transistor output ec no wɔ inverted phase mu |
| Sɛ dial switch K1 no wɔ "OFF" a, transistor output ec no wɔ normal phase mu | |
| Bere a K2 no wɔ "ON", circut no bɛpaw kanea kɔkɔɔ LFD kyerɛ alarm adwuma | |
| Output wɔ beae a ahobammɔ wɔ | |
| Output sɛnkyerɛnne | Transistor a ɛwɔ hɔ |
| Nneɛma a efi mu ba no su | NPN type transistor emitter anaa collector bue ɔmansin output |
| Drive tumi | Output mprempren ≤ 20mA (1.2k Ω), maximum mu mprempren 100mA, a wɔde ahyɛ mu tiawa-circuit mprempren ahobammɔ |
| Mfitiaseɛ parameters | |
| Nneɛma a wɔde ma no voltage | 20 ~ 35VDC na ɛwɔ hɔ |
| Tumi a wɔde di dwuma | 24V tumi a wɔde ma, transistor a ɛwɔ so ≤ 50mA (PHD-12TF-288) na ɛwɔ hɔ. ≤ 55mA (PHD-22TF-2828) na ɛwɔ hɔ. |
| LED a ɛkyerɛ sɛnea nneɛma te | Green: Tumi ho sɛnkyerɛnne |
| Yellow: Output transistor wɔ adwumayɛ tebea a ɛyɛ daa mu | |
| Kɔkɔɔ: LFD kyerɛ, line mfomso alarm | |
| Ɔhyew ho nsɛnkyerɛnne | Adwumayɛ mu hyew: -20°C ~ +60°C, . |
| Ɔhyew a wɔde sie: -40°C ~ +80°C | |
| Nsu a ɛyɛ nwini kakra | 10% ~ 95% RH biara nni hɔ a ɛyɛ nwini |
| Insulation ahoɔden | Wɔ ɔfã a ahobammɔ wom ankasa ne ɔfã a ahobammɔ nnim ankasa ntam (≥3000VAC/min); ntam tumi a wɔde ma ne ɔfã a ɛnyɛ nea ahobammɔ wom ankasa (≥1500VAC/min) . |
| Insulation a ɛko tia | ≥100MΩ (ntam input / output / tumi a wɔde ma) |
| Electromagnetic a ɛne ne ho hyia | Sɛnea IEC 61326-1 (GB/T 18268) kyerɛ no, IEC 61326-3-1 |
| MTBF | 100000h na ɛyɛ |
| Wire ahwehwɛde ahorow | Ntrɛwmu ≥ 0.5mm2; Insulation ahoɔden ≥ 500V |
| Mfiri a wɔde yɛ afuw a ɛfata | Field nnwinnade te sɛ dry contacts anaa NAMUR type proximity switch inputs a ɛne DIN19234 gyinapɛn hyia |
| Beae a wɔde besisi hɔ | Sɛ wɔde si beae a ahobammɔ wɔ a, wobetumi de abɔ ahobammɔ nnwinnade a ɛwɔ mu wɔ mmeae a asiane wɔ kosi Beae 0, IIC, Mpɔtam 20, ne IIIC |
| Adansedi a ahobammɔ wom ankasa | |
| Agyiraehyɛde a ɛkyerɛ sɛ ɛpae | [Ex ia Ga]lIC [Ex ia Da]lllC |
| Gyinapɛn a ɛnyɛ nea ɛpae | GB/T3836.1-2021 na ɛwɔ hɔ GB/T3836.4-2021 na ɛwɔ hɔ |
| Nkyɛmu 3-4, 1-2 | Um:250V AC / DC Uo = 10.5V DC lo = 15mA |
| Po=39.4mW Co=1.7μF Lo=165mH | |
| Adansedi kuw | CQST(China Ɔman Nneɛma Pa Sohwɛ ne Sɔhwɛ Asoɛe a Ɛhwɛ Nneɛma a Ɛpae a Wɔabɔ Ho Ban) |
Line Mfomso a Wohu (LFD) .
Wɔn a wɔde di dwuma no betumi apaw "ON" fã a ɛwɔ switch no mu wɔ module no atifi sɛnea ɛbɛyɛ a mfomso a wohu adwuma no atumi ayɛ adwuma na wɔakyerɛ alarm denam LED kanea kɔkɔɔ. Wɔ beaeɛ no input current>7mA, short circuit alarm (SC); Wɔ site input current
contact input hwehwɛ sɛ mfomso detection adwuma (wire breakage, tiawa circuit), ɛsɛ sɛ wɔde 22k Ω resistor bata ho wɔ parallel wɔ n’awiei abien no nyinaa no, na ɛsɛ sɛ wɔde 680 Ω resistor bata ho wɔ ntoatoaso (sɛnea a wɔakyerɛ wɔ wiring mfonini a ɛfa switch contact II ho).
