Introduction; Purpose Of This Guide; Typical System-10 Btu Meter; Specifications - Onicon System-10 Installation Manual

1.1

PURPOSE OF THIS GUIDE

The purpose of this guide is to provide installation procedures and basic operating and servicing
instructions for the ONICON System-10 MODBUS RTU serial 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.
Supply
Return
1.3

SPECIFICATIONS

MODBUS RTU NETWORK INTERFACE
RS485
Transceiver:
Data format:
Parity:
MAC address (device address) range: 1 - 247 (Default: 017)
Baud rate:
Termination:
Biasing:
Flow control:
TCP/IP
Transceiver:
Data format:
Parity:
MAC address (device address) range: 1 - 247 (Default: 017)
Default IP address:
Flow control:
11451 Belcher Road South, Largo, FL 33773 • USA • Tel +1 (727) 447-6140 • Fax (727) 442-5699 • sales@onicon.com
System-10-MOD Network Interface Installation Guide 08/16 - 0653-13 / 18321
SECTION 1: INTRODUCTION
BTU X 10,000
SCROLL RESET PROGRAM
SYSTEM-10
BTU METER
2-wire, half-duplex
8 bit with 1 stop bit
None
1200, 2400, 4800, 9600, 19200, 38400, 57600 or 115200 (Default: 9600)
120 ohms or none (Default: none)
None
None
10Base T, 10Mbps, Rj45 connection
8 bit with 1 stop bit
None
192.168.1.24 (Port 502)
None
ONICON insertion
flow meter (purchased
separatelly)
24 VAC input
MODBUS RTU
Communications to
Network
Return Temp
Sensor
Supply Temp
Sensor
Heat Exchanger
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