Black Box IC109A-R2 Manuel d'installation Page 77

  • Télécharger
  • Ajouter à mon manuel
  • Imprimer
  • Page
    / 164
  • Table des matières
  • MARQUE LIVRES
  • Noté. / 5. Basé sur avis des utilisateurs
Vue de la page 76
71
1
© 2007 Schneider Electric. All Rights Reserved.
63230-216-229-B1
Installation
ACE919CA and ACE919CC
RS485/RS485 Converters
Description and Dimensions
DE80039
Terminal block for two-wire RS485 link without distributed power supply
Female nine-pin sub-D connector, used to connect to the two-wire RS485
network with distributed power supply
One screw-type male nine-pin sub-D connector is supplied with the converter.
Power supply terminal block
1 Distributed power supply voltage selector switch, 12 V DC or 24 V DC
2 Protection fuse, unlocked by a 1/4 turn
3 ON/OFF LED: this LED is ON if the ACE919 is energized
4 SW1, parameter setting of two-wire RS485 network polarization and line
impedance matching resistors
Function SW1/1 SW1/2 SW1/3
Polarization at 0 V via Rp -470 Ω ON
Polarization at 5 V via Rp +470 Ω ON
DE80022
Two-wire RS485 network impedance
matching by 150 Ω resistor
ON
Converter Configuration when Delivered
b 12 V DC distributed power supply
b Two-wire RS485 network polarization and impedance matching resistors
activated
Male 9-pin sub-D connector supplied with the ACE919
Connection
DE51670
Two-Wire RS485 Link without Distributed Power Supply
b To 2.5 mm² (AWG 12) screw type terminal block
b L+, L-: two-wire RS485 signals
b Shielding
Two-Wire RS485 Link with Distributed Power Supply
b To connector female 9-pin sub-D
b Two-wire RS485 signals: L+, L–
b Distributed power supply: V+ = 12 V DC or 24 V DC, V- = 0 V
Power Supply
b To 2.5 mm² (AWG 12) screw type terminal block
b Reversible phase and neutral (ACE919CA)
b Grounded via terminal block and metal case (ring lug on back of case)
in.
(mm)
(105)
4.13
(85)
3.35
(105)
4.13
(45)
1.77
(65)
2.56
A
B
C
in.
(mm)
(56.4)
2.22
(16)
0.63
(36
1.4
(44.5)
1.75
A
t
B
C
Vue de la page 76
1 2 ... 72 73 74 75 76 77 78 79 80 81 82 ... 163 164

Commentaires sur ces manuels

Pas de commentaire