AERCO XPC GATEWAY Communications - Manual (Page 20)

GATEWAY COMMUNICATIONS MANUAL
20
1.9 XPC GATEWAY REFERENCE DATA
The functional, physical and environmental specifications for the Gateway are listed in Table 5.
Table 5 AERCO XPC Gateway Specifications
Specification Description
Maximum number of points 300
Power 24 VAC ±10%, 50-60 Hz, 20 VA power consumption, Class 2
source only, 100 VA or less
Port 1a 3-pin port supports EIA-485 (RS485) 2-wire communication.
Protocols supported:
• BACnet over ARC156
• BACnet MS/TP
• Modbus (RTU/ASCII)
• Johnson N2
This port can be configured as a device port or a BAS port
NOTE: Port 1a or Port 1b can be used, but not both.
Port 1b 14-pin communication port supports plug-in cards such as
LonWorks or future Ethernet.
Port 2
5-pin port supports EIA-232, EIA-485 2-wire or 4-wire
communications.
Protocols supported:
• EIA-232 BACnet PTP, Modbus (RTU/ASCII), LonWorks
SLTA
• EIA-485 2-wire BACnet MS/TP, Modbus (RTU/ASCII),
Johnson N2
• EIA-485 4-wire BACnet MS/TP, Modbus (RTU/ASCII)
This port can be configured as a device port or BAS port.
Rnet Port
4-pin port supports up to four RS Standard sensors and one
RS Plus, RS Pro, or RS Pro-F sensor for averaging or
high/low select control.
Local Access Port For local communication with a laptop computer running
WebCTRL or AppLoader.
Memory 1 MB non-volatile battery-backed RAM, 1 MB Flash memory,
16-bit memory bus