Gasboy FuelOmat system 8 Popt Commverter - Manual (Page 65)

2.11.1. Nuovo Pignone Connector Pinout
The following pinout is required for the LAN to RS-232 application.
8 7 6 5 4 3 2 1
TX2- TX2+ RX2- RX2+ TX1- TX1+ RX1- RX1+
Channel 2 Channel 1
2.11.2. COPTRON Communication to Nuovo Pignone Card
Connector TB4A in Coptron pump (Pump Head 1 )
Table 2-2 . Pump Communication Connector for 8 Port NP Module
Coptron
Pin Out Nuovo Pignone Card Pin Out
pin1_TXB pin3_Tx1+
pin2_ TXA pin4_Tx1-
pin3_ RXB pin1_Rx1+
pin4_ RXA pin2_Rx1-
When Coptron dispenser detects serial-communication, it starts working in automatic mode.
2.12. LAN TO RS232/485 APPLICATION
This module is dual-purpose and supports two different communication protocols: RS232 and
RS485.
The LAN to RS-232 application is required when the connection to specific devices, such as TLGs,
is via RS-232. The RS232 circuit is dedicated for Channel 1
The LAN to RS-485 application is required when connecting fuel pumps and other serial devices to
home base controller that uses TCP/IP communication. The RS485 circuit is dedicated for
Channel 2.
NOTE
There is no external indication of the LEDs status.
Remove the Commverter cover to reveal the module
LEDs.
8 Port CommVerter Operation and Installation Manual 61