3-1
3-10 EDMI Atlas Hardware Reference Manual
Serial Port Configurations
The meter has an option of one or two RS-232 ports, which can be arranged in a number
of configurations with an RS485 port. The two ports are called Modem and SCADA.
The possible options are listed in Table 3-2, which lines up with the order code options.
Type Modem Communications
0 None
1 RS232 with RJ45
2 RS485 (4-wire) with 2xRJ45
3 RS485 (4-wire) with Screw Terminals
4 RS485 (2-wire) with 2xRJ45
5 RS232 with RJ45 and Modem Power Supply
6 RS232 with RJ45 + SCADA Port on Pin 7 & 8
7 RS232 with RJ45 and Modem power supply + SCADA port on Pin 7 & 8
8 RS232 with RJ45 + SCADA Port on 2nd RJ45 Pin 5 & 6
9 RS232 with RJ45 and Modem power supply + SCADA port 2nd RJ45 Pin 5 & 6
D RS485 (4-wire) with RJ45 + SCADA Port on Pin 1 & 2
E RS485 (4-wire) with RJ45 and Modem power supply + SCADA port on Pin 1 and 2
F RS485 (4-wire) with RJ45 + SCADA Port on 2nd RJ45 Pin 5 & 6
G RS485 (4-wire) with RJ45 and Modem power supply + SCADA port on 2nd RJ45 Pin 5 & 6
H RS485 (4-wire) with 2xRJ45 + SCADA Port on 1st RJ45 Pin 1 & 2
I RS485 (4-wire) with 2xRJ45 and Modem power supply + SCADA port on 1st RJ45 Pin 1 & 2
J RS485 (2-wire) with RJ45 + SCADA Port on Pin 1 & 2
K RS485 (2-wire) with RJ45 and Modem power supply + SCADA port on Pin 1 and 2
L RS485 (2-wire) with RJ45 + SCADA Port on 2nd RJ45 Pin 5 & 6
M RS485 (2-wire) with RJ45 and Modem power supply + SCADA port on 2nd RJ45 Pin 5 & 6
N RS485 (2-wire) with 2xRJ45 + SCADA Port on 1st RJ45 Pin 1 & 2
P RS485 (2-wire) with 2xRJ45 and Modem power supply + SCADA port on 1st RJ45 Pin 1 & 2
• Table 3-2 Serial port options
Where only one RJ45 is fitted it is TB10 that is fitted. TB10 is the 1
st
RJ45 and TB9 is
the 2
nd
RJ45. The SCADA port is always RS232 in these options.
The connection on the label is indicated using a range of symbols that explain what the
connections are. For instance:
TB10
DUAL
RS232
RS232
corresponds with a Type 7 port. There is only one RJ45 (TB10), it is a dual connector
(2 serial ports on the one connector), power is supplied ( ), and both ports are RS232
(the top port is the Modem port, the bottom is the SCADA port).
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