Keble ea Lihopotso tsa R485
Kopo
1. Cable e etselitsoe puisano ea data ea Rs-485 le lits'ebetso tsa mekhahlelo, li-commams tse fapaneng, li ka sebelisoa hape bakeng sa taolo ea tlhahiso le molaoli oa boiketsetso. Rs485 e lumella marotholi a mangata le bolelele bo bolelele, ka lebelo le phahameng, kahoo e sebelisoa hangata masimong a Liindasteri le oa ho kenella. Rs-485 e boetse e sebelisoa libakeng tse kholo-tsa sebaka sa marang-rang, indasteri ea koloi, moo ho nang le lerata le tla kopana le tšebeliso ea nako ea bofelo. E ka hlokomela ho tsamaea ka sekepe se hole le hape ho tšehetsa lisebelisoa tse ngata ka bese e le 'ngoe, li ka fihlela lits'ebetso tse ngata tse hlokang khethollo ea serial.it ke mofuta oa bohlophisi ba indasteri. Rs-485 e boetse e bitsoa Tia-485 kapa Eia-485.
2 .God ts'ebetso ea phetisetso ea motlakase le ea data.
3. Ka bomong ka bomong ba hapiloeng ka letsoho kapa ka kakaretso ba thusitsoeng ka letsoho ba sirelelitsoeng ba ka etsa hore ho be le sesupo le letsatsi.
4. Terata ea tšepe e majabajaba e na le ts'ebetso e ntle ea ho hanyetsa. E sebelisoang haholo ho phetisetso e telele ea hole.
5. Bulallo ea S-Fpe ho etsa hore letsatsi le ho be le tekolo e potlakileng ebile e tsitsitse.
6. Sheath e ne e ka lekana bakeng sa ka ntle a sebelisa.
Ma-Mersion
1. Motsamaisi: Terata ea Copper e thibetsoeng
2. Litlhahlobo: S-pe, s-fpe
3. Ho khabiseng
4. E hlahlobiloe: ka bonngoe (ka boikhethelo)
Tepi ea Al-Pet e nang le WirePe ea koporo ea koporo ea koporo
Sekepe sa koporo ea koporo e halikiloeng
Al-Pet Tripper Copper e halikiloeng
5. Ho robala ka thapo e halikiloeng (moo ho hlokahalang):
Polyethylene (pe)
PVC
6. Armor (moo ho hlokahalang): terata ea tšepe ea tšepe
7. Ka Heathe: PVC / LSZH
Mocheso oa ho kenya: Ka holimo 0 ℃
Mocheso o sebetsang: -15 ℃ ~ 65 ℃
Melao ea Reference
Tia / Eia-485
BS en 50288-7
BS EN 60288
BS en 50290
Litaelo tsa ROHS
Boitsebiso ba Insulation
Para ea 1st | Tšoeu, e putsoa | Papali ea 3 Pay | Tšoeu, botala |
2nd para | Tšoeu, 'mala o mosehla | Boraro ba 4 | Tšoeu, sootho |
Ts'ebetso ea Motlakase | |
Ho sebetsa Voltage | 300v |
Sebopeho sa Tlhaho | 120 ω · 15 ω |
Velocity ea ho phatlalatsoa | S-FP: 78%, SO: 66% |
Mokhanni oa DR | 57.0 ω / km (max. @ 20 ° C) bakeng sa 22Awg |
91.80 ω / km (Max. @ 20 ° C. 20 ° C) bakeng sa 24AWG |
Karolo ea Che. | World Consttor Consttor | Ho ts'oaroa | Skrineng | Sheath | |
Lintho tse bonahalang | Boholo | ||||
Ap9841 | TC | 1x2x24Awg | S-pe | Al-Foil + Braid | PVC |
Ap9842 | TC | 2x2x24Awg | S-pe | Al-Foil + Braid | PVC |
Ap9843 | TC | 3x2x24Awg | S-pe | Al-Foil + Braid | PVC |
Ap9844 | TC | 4x2X244AWG | S-pe | Al-Foil + Braid | PVC |
Ap9841nh | TC | 1x2x24Awg | S-pe | Al-Foil + Braid | LSZHH |
Ap9842nh | TC | 2x2x24Awg | S-pe | Al-Foil + Braid | LSZHH |
Ap9843nh | TC | 3x2x24Awg | S-pe | Al-Foil + Braid | LSZHH |
Ap9844nh | TC | 4x2X244AWG | S-pe | Al-Foil + Braid | LSZHH |
Ap31055A | TC | 1x2x2222Awg | S-fpe | Al-Foil + Braid | PVC |
Ap310777 | TC | 2x2x2222Awg | S-fpe | Al-Foil + Braid | PVC |
Ap3108a | TC | 3x2x222Awg | S-fpe | Al-Foil + Braid | PVC |
Ap3109a | TC | 4x2x222Awg | S-fpe | Al-Foil + Braid | PVC |
(Lintlha: Likhopo tse ling li fumaneha ka kopo.)