ALTUS Nexto Series User Manual

5. CONFIGURATION
5.5.8.1.4. Requests Configuration – Configuration via Symbolic Mapping
The configuration of the MODBUS requests, viewed in figure below, follow the parameters described in table below:
Figure 74: MODBUS Data Request Screen
Configuration Description Default Value Options
Function Code MODBUS function type -
01 – Read Coils
02 – Read Input Status
03 – Read Holding Regis-
ters
04 – Read Input Registers
05 – Write Single Coil
06 – Write Single Register
15 – Write Multiple Coils
16 – Write Multiple Regis-
ters
22 – Mask Write Register
23 – Read/Write Multiple
Registers
Polling (ms) Communication period (ms) 100 0 to 3600000
Read Data Start Address
Initial address of the MOD-
BUS read data
- 1 to 65536
Read Data Size Size of MODBUS Read data -
Depends on the function
used
Read Data Range
MODBUS Read data ad-
dress range
- 0 to 2147483646
Write Data Start Address
Initial address of the MOD-
BUS write data
- 1 to 65536
Write Data Size
Size of MODBUS Write
data
-
Depends on the function
used
Write Data Range
MODBUS Write data ad-
dress range
- 0 to 2147483647
Diagnostic Variable Diagnostic variable name -
Name of a variable declared
in a program or GVL
135

ALTUS Nexto Series Specifications

General

Brand	ALTUS
Model	Nexto Series
Category	Computer Hardware
Language	English