- 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-277 + na ɛwɔ hɔ
Nsɛm a wɔaka abom
Surge ahobanbɔ switch input relay output signal isolator dane input signal a ɛwɔ switch contact anaa proximity switch no mu kɔ relay output denam isolation so.
Line mfomso a wohu no nam relay a ɛyɛ soronko so na ɛba na wɔde LED kanea a ɛwɔ module no atifi na ɛkyerɛ. 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 Wɔakyerɛkyerɛ mu
| Nsɛm a wɔde hyɛ mu | |
| Input sɛnkyerɛnne | Sesa nkitahodi/bɛn switches |
| Nneɛma a wɔde ma no voltage a ɛwɔ sensor no mu | Bɛyɛ 8V |
| Nsakraeɛ rate | |
| Input/output su ahorow: | |
| Wɔ site no so input mprempren | >2.1mA, wɔato output no mu, a ɛkyerɛ sɛ ON; Sɛ |
| Output mpɛn pii no "Bue"/"Wɔato mu". | Sɛ dial switch K1、K3 wɔ "ON" fã a, relay output no yɛ "Normally closed". |
| Nkitahodi nsakrae sohwɛ | Sɛ dial switch K1、K3 wɔ "OFF" fã a, relay output no yɛ "Normally opened". Sɛ dial switch K2、K4 wɔ "ON" fã a, ɔmansin no paw kyerɛ kanea kɔkɔɔ LFD alarm adwuma. |
| Nea efi mu ba | |
| Output sɛnkyerɛnne | Relay a wɔde ma |
| Drive tumi | 250VAC/2A,30VDC/2A bere a wɔde ahyɛ adesoa a ɛko tia ano |
| Mmuae bere | 20ms na ɛyɛ |
| Nneɛma a ɛbɔ obi ho ban fi surge ho: | |
| Nominal discharge mprempren ln (8/20μs) . | 5kA na ɛyɛ |
| Voltage ahobammɔ level Up(8/20μs): | 60V(line to line) . |
| Voltage ahobammɔ level Up(8/20μs): | 600V(line to fam) . |
| Sɛnea gyinapɛn ahorow kyerɛ no | GB/T18802.21-2016(a ɛne 1EC61643-21:2012 yɛ pɛ) |
| 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 relay 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 (500V DC) (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 | Nkyekyɛmu a wɔatwa no ≥ 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 |
Nsusuwii
Nkitahodi wiring
Hyɛ nso:
1. Tumi a wɔde ma wɔ tumi keteke kwan no mu no yɛ adwuma a obi betumi 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