ONICON F-4000 Series - Manual (Page 42)

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F-4000 Series Ultrasonic Flow Meter Manual 05/15 - 0707-13 / 18838 Page 42
o Point-To-Point, modem, (Clause 10), baud rate(s):
o LonTalk, (Clause 11), medium:
o BACnet/ZigBee (ANNEX O)
o Other:
Device Address Binding:
Is static device binding supported? o Yes þ No
Networking Options:
o Router, Clause 6 - List all routing configurations, e.g., ARCNET-Ethernet, Ethernet- MS/TP, etc.
o Annex H, BACnet Tunneling Router over IP
5.4 Modbus
Modbus is a commonly used protocol for communication in supervisory and data acquisition
(SCADA) applications. It uses registers to address data which can be formatted in various types
including, REAL, INTEGER, & BOOLEAN (coils).
The following Modbus Function Codes are supported:
Function Code Name Description
1 Read Coil(s) Read one or more coil present values (0 or 1)
2 Read Discreet Input(s) Read one or more discreet input present values (0 or 1)
3 Read Holding Register(s) Read one or more holding register present values
4 Read Input Register(s) Read one or more input register present values
5 Write Single Coil Write (0 or 1) to a single coil
6 Write Single Register Write to a single holding register
15 Write Multiple Coils Write (0 or 1) to multiple coils
16 Write Multiple Registers Write to a multiple holding registers
Memory Map
Alarm Status Input Register (Read Only)
Description Address Register Type Bytes Data Type Example
Alarm Status 295 Input Register 16 String __ERF___
Data Entry Holding Registers (Read & Write)
Description Address Register Type Bytes Data Type Example
Aeration Alarm Level 1115 Holding Register 2 Integer 50
Batch Sample Total 1107 Holding Register 4 Real 10.0
Deadband Control 1105 Holding Register 4 Real 0.0
Hi Flow Alarm Level 1109 Holding Register 4 Real 100.0
Lo Flow Alarm Level 1111 Holding Register 4 Real 10.0
Slew Mode Selection 1101 Holding Register 2 Real 1
Smart Slew 1104 Holding Register 2 Integer 6
Time Average 1102 Holding Register 4 Real 10.0
Vs Alarm Level 1113 Holding Register 4 Real 2100.0