ONICON System-10 Dualnet User Manual
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11451 Belcher Road South, Largo, FL 33773 • USA • Tel +1 (727) 447-6140 • Fax (727) 442-5699 • [email protected]
System-10 Dual Network Interface Installation Guide 05/14 - 0972-1
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5
1.3 SPECIFICATIONS
RS485 (BACnet MS/TP or MODBUS RTU)
Transceiver: 2-wire, half-duplex
Baud rate: 9600, 19200, 38400 & 76800
Termination: 120 ohms or none (Default: none)
Biasing: None
Flow control: None
BACnet UDP/IP & MODBUS TCP/IP
Transceiver: 10Base T, 10Mbps, Rj45 connection
Default IP address: 192.168.1.24
Default Subnet Mask: 255.255.255.0
BACnet Port: 47808
MODBUS Port: 502
Flow control: None
Address Ranges
MODBUS device address range: 1 – 127 (Default: 017)
BACnet device address range: 1 – 127 (Default: 017)
BACnet Device Instance range: 0 - 4,194,303 (Default: 57017)
SECTION 1: INTRODUCTION
1.1 PURPOSE OF THIS GUIDE
The purpose of this guide is to provide installation and commissioning procedures and basic
operating and servicing instructions for the ONICON System-10 Dual Network BTU Meter
Network Interface.
1.2 TYPICAL SYSTEM-10 BTU METER
ONICON’S System-10 is a true heat (Btu) computer which accepts data from several sensors,
performs a series of computations with that data, and displays and/or transmits the results as an
indication of the amount of heat (Btu’s) being transferred per unit time or as a totalized amount.
SYSTEM-10
RETURN
SCROLL
RESET
PROGRAM
BTU METER
ONICON
3864
FLOW DIRECTION
SUPPLY
24, 120 or 120 VAC
Input Power
Individual Chiller
or Boiler
System
Mains
Local display of flow, temperature and
energy data
RETURN
TEMP
SENSOR
SUPPLY
TEMP
SENSOR
BACnet and/or MODBUS
COMMUNICATIONS
TO NETWORK
ONICON insertion
flow meter purchased
separately