Quick Start Guide For The DNP Orion To ABB REL 356 Relays Using Modbus
2
PWR
POS NEG GND
Illustration 1
SCADA
MODEM/
DIAGNOSTIC
IED
55-150 VAC
20 -150 VDC
Illustration 3
ORION TABLETOP CONNECTOR LOCATION
Illustration 2
Illustration 4
Figure 1A – Orion Table Top Connector Location
2.
Connect the SCADA host to the ORION SCADA MASTER RS 232 port with a 9 pin D shell
connector. The cable end should mate with the ORION’s male connector. The unit is a DTE pinout
and a custom cable may have to be developed for your application since SCADA Host RS 232
connections, handshaking requirements vary per each manufacturer. The ORION SCADA MASTER
RS 232 port connection is shown in Figure 2 illustration 1 for a rack mount unit or Figure 2A for a
table top unit.
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