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EP010
ABB SACE
The Modbus Port is the lowest terminal box of the EP010, with the following meaning:
Table 2. Modbus port terminal
Total lenght of the Modbus cable from EP010 to connect device has to be less
or
equal to 1 m.
2.2.3 LEDs
The TX / RX communication status of the Modbus port is indicated by green LEDs.
LED on means:
– TX: Modbus message sending
– RX: Modbus message receving.
They switch according to the communication messages traffic.
The presence of the power supply from the FBP is indicated by a green LED.
If the unit detects an error, his is indicated by a red LED or by a yellow LED.
2.3
Electrical connections
Installation and maintenance have to be performed according to the thecnical .
rules, codes and relevant standards e.g. EN 60204 part 1 by skilled electricians
only.
TERMINAL NAME
MODBUS CABLE
L (left)
A
l (right)
B
Figure 5. Connections
