ETIC AFO485, Руководство пользователя, Страница: 19 / 36

AFO485 and RFO485 USER MANUAL ref 9011509-01 Page 19
3.5. Connectors
Connector 1 : 2 point screw block
Main power supply
Pin Signal Function
1
V+ Power supply voltage 9 to 40 VDC
2
GND Signal ground
Connector 2 : 2 point connection block
Backup power supply
Pin Signal Function
1
V+ Power supply voltage 9 to 40 VDC
2
GND Signal ground
Connector 3 : RJ45 local interface connector
non-isolated RS232
Pin Circuits Designation Terminal-Modem
1 CD 109 Carrier ⇐
2 RX 104
Data reception
⇐
3 TX 103
Data transmission ⇒
4 Not connected
5 SG 102 Signal ground
6 DSR 107
Data set ready
⇐
7 Not connected
8 CTS 106
Clear to send
⇐
Note : The CAB593 cable provides an RS232 DB9 female, instead of the RJ45 connector. It must be
ordered separately. The wiring of the CAB593 / RS232 cable is given in appendix 1.
Connector 4 : 6 point connector block
RS485 and RS422 non isolated and Transmission failure output
Pin Signal Function
1 and 2
Transmission failure output / voltage free
I max :
3
RS422 B’ Emission ; RS422 polarity B (to the RFO485)
4
RS422 A’ Emission ; RS422 polarity A (to the RFO485)
5
RS485 B
Reception ; RS422 polarity B (to the local terminal)
or RS485 polarity B
6
RS485 A
Reception ; RS422 polarity A (to the local terminal)
or RS485 polarity A