Serial Communication Connections - ABB REU 610 Technical Reference Manual

1MRS755972
5.2.2.
Voltage Relay
Technical Reference Manual - ANSI Version
Table 5.2.1.-4 Output contacts (Continued)
Terminal Function
X4.1-18 PO1 (TCS), NO
X4.1-19
X4.1-20 -
a)
Optional.
Table 5.2.1.-5 Digital inputs
Terminal Function
X4.1-23 DI1
X4.1-24
X4.1-21 DI2
X4.1-22
a)
X3.1-1 DI3
X3.1-2
a)
X3.1-3 DI4
X3.1-4
a)
X3.1-5 DI5
X3.1-6
a)
Optional.

Serial communication connections

The optical front connection of the relay is used to connect the relay to the
SPA bus via the front communication cable, refer to Section 6.1. Accessories.
If a PC compatible to the IrDA® Standard specifications is used, wireless
communication is possible as well. The maximum wireless operating distance
depends on the transceiver of the PC.
Rear communication of the relay is optional and the physical connection
varies with the communication option.
Plastic fibre-optic connection
If the relay is provided with the optional fibre-optic communication module
for plastic fibre, the fibre-optic cables are connected to terminals as follows:
Table 5.2.2.-1 Plastic fibre-optic rear connection
Terminal Function
X5.3-TX Transmitter
X5.3-RX Receiver
REU 610
117