- 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
PHG-12TF-288/PHG-22TF-2828 na ɛwɔ hɔ a
Nsɛm a wɔaka abom
Switching input transistor output signal isolator no dane input signal a efi switch contact anaa proximity switch no mu kɔ transistor output denam isolation so. Line fault detection dwumadie no nam LED kanea a ɛwɔ module no atifi no so na ɛda adi. Wɔde module no switch no di dwuma de paw phase a ɛwɔ channel no mu ne sɛ ebia line fault detection function no ho hia anaa.
Ɛsɛ sɛ wɔde ahoɔden ma saa ade yi wɔ ahofadi mu, na wɔtew tumi a wɔde ma, nea wɔde hyɛ mu ne nea wɔde fi mu no ntam.
| Nsɛm a wɔde hyɛ mu | |
| 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 | ≤5kHz na ɛyɛ |
| 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, K3 wɔ "ON" fã a, transistor output ec no wɔ inverted phase mu |
| Sɛ dial switch K1、K3 wɔ "OFF" fã a, transistor output ec no wɔ normal phase mu | |
| Sɛ dial switch K2、K4 wɔ "ON" fã a, ɔmansin no paw kyerɛ kanea kɔkɔɔ LFD alarm adwuma. | |
| Nea efi mu ba | |
| 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 | |
| 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 | ≥2000VAC / min (ntam input / output / tumi a wɔde ma) |
| Insulation a ɛko tia | 100MΩ (500VDC )(ntam input / output / tumi a wɔde ma) |
| Electromagnetic a ɛne ne ho hyia | GB/T 18268(IEC 61326-1) Ɔde ne nsa kyerɛɛ ne so. |
| MTBF | 80000h 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 |
Hyɛ no nsow: 1. PHG-12TF-288 nka input 2 fã no ho.
2. Tumi a wɔde ma wɔ tumi keteke kwan no mu no yɛ adwuma a wobetumi apaw. Ɛsɛ sɛ wɔn a wɔde di dwuma no kyerɛ ɔkwan a wɔfa so de anyinam ahoɔden ma bere a wɔrekra nneɛma no. Yɛsrɛ sɛ hwɛ attachment a ɛwɔ kratafa 89 no.
Line Fault a Wohu
Wɔn a wɔde di dwuma no betumi apaw "ON" fã a ɛwɔ switch no atifi wɔ module no atifi no ama mfomso a wohu adwuma no atumi ayɛ adwuma na wɔakyerɛ alarm denam LED kanea kɔkɔɔ no so. Wɔ beaeɛ no input current>7mA, short circuit alarm (SC); Wɔ site input current
