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Yokogawa Value Series FX1000 User Manual

Page 182

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6-8

IM 04L21B01-17EN

Input Register Data

Data Type

306001

List of alarms of measurement channels 001 to 004

Bit string

|

|

306003

List of alarms of measurement channels 009 to 012

• Register structure

4ch 3ch 2ch 1ch

Level 3

Level 4

Level 2

Level 1

Indicates the alarm status of four channels in one register. Set to 1 when alarm is activated.

The figure is an example of register 306001 (measurement channels 001 to 004).
306021

List of alarms of computation channels 101 to 104

Bit string

|

|

306026

List of alarms of computation channels 121 to 124

• Register structure: Same as the list of alarms of measurement channels.
Note: Input registers 306001 to 306026 can be accessed consecutively. All unassigned register

bits are read as zeroes.

Input Register Data

Data Type

309001

Year

16-bit signed integer

309002

Month

309003

Day

309004

Hour

309005

Minute

309006

Second

309007

Millisecond

309008

DST

6.3 Modbus Protocol Specifications