Communication Manual

Chapter 1 │About this document 4
Chapter 1 About this document
Introduction
This document describes Access controller application communication possibilites in terms of
integration as communication slave via EXOline, Modbus and BACnet.
Software version
Access version Available
V4.0-1-04 Modbus are available
V4.0-1-05
later
EXOline, BACnet and Modbus are available
NaviPad 1.1.0.184
later
With Ethernet menu, static IP setting
Release column in register tables further down in this document tells from which software release
variables was introduced or changed.
Signal types
All signals accessible from a SCADA system are declared in a spreadsheet referenced in Tables of
variables with register addresses.
EXOL type
The EXOL type of the signals:
R = Real (-3.3E38 - 3.3E38)
I = Integer (-32768 - 32767)
X = Index (0 - 255)
L = Logic (0/1)
Modbus type
The Modbus type of the signals:
0x = Coil Status Register (1bit)
1x = Input Status Register (1bit)
4x = Holding Register (signed, 16bit or 32bit word)
3x = Input Register (signed, 16bit word or 32bit float)