Gasboy FuelOmat system 8 Popt Commverter - Manual (Page 77)

LEDs Indications
Connector Side
Channel 1 Tx D16
Channel 1 Rx D17
Channel 2 Tx D18
Channel 2 Rx D19
S/W
LED
D3
NOTE
Each pump head is connected to a single port.
Each comverter can connect to eight pump heads (total).
2.15.1. Sub module (Suspend Resume Relay Card)
Since ER3 protocol doesn’t support the Stop (suspend) command, there is a need to use an external
relay in order to suspend VIU refueling.
The relay card can drive low voltage contactor, or a solenoid valve as follow:
Voltage 12-24volt
Current 1A max
Figure 2-54. Cetil Sub Relay Module – Connections
The following pinout is required for the Cetil sub-module application.
8 7 6 5 4 3 2 1
N/A COMMON NC NO N/A COMMON NC NO
Channel 2 Channel 1
8 Port CommVerter Operation and Installation Manual 73