E2 to XM Device Communication Recommendations Connections • 29
17 Connections
17.1.E2 to XM Device Communication Recommendations
Baud Rate: 19.2K Baud (9600 baud is not recommended for E2 to XM device communications).
Cable Length: Belden 8761 or equivalent (1200ft or less).
I/O Net Biasing: Up to 25 XM6xx devices can be connected to each E2 COM2A, COM2B, COM4A, COM4B
and COM6 port. Contact Technical Service if you have more than 25 devices per COM segment.
17.1.1.Wiring Guidelines
17.2.XM670 - Wiring Diagram
DEVICE TYPE EMERSON
ANALOG TEMP SENSOR
DIGITAL INPUT
BELDEN #8761 #22-2 SHIELDED
Emerson P/N 035-0002
RS-485 NETWORK BELDEN #8761 #22-2 SHIELDED
Emerson P/N 035-0002
BELDEN #8641 #24-2 SHIELDED
Emerson P/N 135-8641
PRESSURE TRANSDUCER **BELDEN #8771 #22-3 SHIELDED
Emerson P/N 135-8771
**#8771 for alternate 600v rated wire use BELDEN
#8618 16 AWG
POWER, LOADS, AND VALVE
Allows a maximum wire size of 14 AWG (2 mm
2
).
Table 17-1 - Wiring Guidelines
Figure 17-1 - XM670 - ALL Power Supply
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