DRAFT
MTSE
IO&M Manual
38
Paragon Controls Inc,
Rev J 2/3/2021
MTSE MODBUS SOFTWARE CONFIGURATION PARAMETERS
Rev 2 1/05/2021
Communication type:
Serial
Protocol:
RTU - Slave
Modbus ID:
First device starts at 1 and increments up to 254
Baud Rate:
9.6K, 19.2k, 38.4K(Default), 57.6K & 115.2K
Data bits:
8
Parity:
None
Stop bit:
1
Flow Control:
None
Time Out:
150msec (minimum)
Poll time interval;
100msec (minimum)
Address Type:
Decimal 40000 – 40999 (Holding Register address)
16 bit Data type Byte order:
Motorola (Default) High Byte bits 15 - 8, Low Byte bits 7 - 0
32 bit Data type Byte order:
Mid-Little-Endian CD AB
Float Data type Byte order:
Mid-Little-Endian CD AB, IEEE 754 specification is used.
Start Address:
0-based
Max. block size:
(Holding registers): 16
Function Code:
(0x03h) Read registers, (0x06h) Write single register, (0x10h) Write multiple
registers
Datatype Key:
0 = reserved, 1 = integer, 2 = unsigned integer, 3 = Unsigned Long, 4 = Float,
5 = String(20) 6 = String(12)
(
Note 1: When using a USB to RS-485 converter, make sure to set Echo to OFF if applicable)