- 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-22TD-2121 na ɛwɔ hɔ
Nsɛm a wɔaka abom
Analog input isolated safety barrier no ma isolated power supply ma mmienu - ne mmiɛnsa wire transmitters wɔ mmeaeɛ a asiane wɔ. 4 ~ 20mA sɛnkyerɛnne a ɛnam transmitter anaa mprempren fibea no so no fi beae a asiane wɔ no kɔ beae a ahobammɔ wɔ no output, na ɛnam so ma adesoa no kɔ beae a ahobammɔ wɔ no. Wɔ abien - anaa abiɛsa waya transmitters anaa mprempren fibea nsɛnkyerɛnne, saa ahobammɔ akwanside yi boa bidirectional nkitahodi a Hart dijitaal sɛnkyerɛnne superimposed wɔ 4 ~ 20mA sɛnkyerɛnne no so na ɛwɔ waya abubu alarm adwuma. Saa adeɛ yi hwehwɛ sɛ ahoɔden a ɛde ne ho, a ɛwɔ ahoɔden a atew ne ho, input, ne output terminals.
| Nneɛma a wɔde ma no voltage | 20 ~ 35V DC, Tumi a wɔde di dwuma: ≤130mA (24V tumi a wɔde ma, 20mA afiri) |
| Transmitter kyekyɛ ahoɔden | Open circuit voltage yɛ ≤28V, na output voltage yɛ ≥15.5V bere a circuit no yɛ 20mA |
| Input sɛnkyerɛnne | nhama abien anaa nhama abiɛsa a wɔde mena anaa mprempren fibea sɛnkyerɛnne (HART) . |
| Output sɛnkyerɛnne | 4 ~ 20mA (HART) na ɛwɔ hɔ. |
| Allowable output adesoa tumi | 0 ~ 500Ω (wotumi sesa) |
| Output a ɛyɛ pɛpɛɛpɛ | 0.1%FS na ɛwɔ hɔ( ) .Gyinapɛn ahorow a wɔtaa de di dwuma1 .0.05%FS na ɛwɔ hɔ. |
| Ɔhyew a ɛkɔ soro | 0.005%FS/°C na ɛwɔ hɔ |
| Nneɛma dodow a wɔde hyɛ mu ne nea wɔde fi mu akwan | 2 input 2 afiri a wɔde hyɛ mu |
| Mfiri a wɔde yɛ afuw a wɔde di dwuma | 2-wire, 3-wire transmitter ne mprempren fibea sɛnkyerɛnne, saa ade yi fata ma ABB, Fisher, Rosemount, Honeywell, ne saa ara nso na 3351, EJA, SIEMENS ne nneɛma afoforo a wɔde mfiridwuma a wɔde fi amannɔne ba. |
| Ɔhyew ho nsɛnkyerɛnne | Adwumayɛ hyew: -20 ° C ~ + 60 ° C, akorae ɔhyew:-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) |
| Nsusuwii ahorow | Ne kɛse yɛ 17.5mm * ne tɛtrɛtɛ 108mm * ne sorokɔ 118mm |
| Electromagnetic a ɛne ne ho hyia | Sɛnea IEC 61326-1(GB/T 18268) kyerɛ no, IEC 61326-3-1 |
| Agyiraehyɛde a ɛnyɛ nea ɛpae | [Ex ia Ga] IIC [Ex ia Da] IIIC |
| Ahobammɔ ho adansedi krataa a ɛyɛ adwuma | SIL3 sɛnea IEC 61508 gyinapɛn ahorow kyerɛ no |
| Adansedi Kuw | CQST(China Ɔman Nneɛma Pa Sohwɛ ne Sɔhwɛ Asoɛe a Ɛhwɛ Nneɛma a Ɛpae a Wɔabɔ Ho Ban) |
| Nneɛma a wɔde twa kwan 2-3、2-1 | Um:250V AC / DC Uo = 28V DC Io = 93mA na ɛwɔ hɔ |
| Nneɛma a wɔde twa kwan 1-3、4-6 | Um:250V AC / DC Uo = 7.2V DC Io = 1000 na ɛwɔ hɔ. |
| Installation site Ahwehwɛde ahorow | Sɛ wɔde si beae a ahobammɔ wɔ a, wobetumi de abɔ ho ahobammɔ nnwinnade a ɛwɔ mmeae a asiane wɔ kosi Zone 0, IIC, Zone 20, ne IIIC so |
| MTBF | ≤100000h na ɛyɛ adwuma |
