Momentum Sales & Marketing Modbus Plus 170 PNT Series User Manual

Page 37

Communication Access Registers

870 USE 103 00 May 2001

Diagram of
Register Types

The three groups of internal registers are illustrated in the diagram below.

MODULE ASCII HEADER

(Read Only)

MODULE STATUS

(Read Only)

MODULE OWNERSHIP

(Read or Write)

MODULE TIMEOUT

(Read or Write)

DATA OUTPUT

(Write Only)

DATA INPUT

(Read Only)

DATA REGISTERS

MODBUS

PLUS

NETWORK

STARTING

REFERENCE

(Hex / Decimal)

LENGTH

(16-Bit Words)

CONFIGURATION REGISTERS

STATUS REGISTERS

40001 / 400001

Module

dependent

1... 32

Module

dependent

40001 / 400001

4F001 / 461441

4F401 / 462465

4F801 / 463489

4FC01 / 464513