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KROHNE OPTISONIC V6 Modbus User Manual

Page 17

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2011-07-19

OPTISONIC_V6_Modbus_6.doc

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8.2

Holding Registers (read/write): Integer (16-bit); address range 3500-3999

Parameter / Variable
(short description)

Name

Explanation

Relative
address

Absolute

address,

non-

Modicon

Absolute

address,

Modicon-

comp.

Units

Test register

TestRegister uint16

Register reserved for testing communications and protocol
handling with this type of register, without affecting the operation
of the flow meter.

0

3500

3500-3501

(2 regs)

-

8.3

Input Registers (read-only): Long integer (32-bit); address range 5000-5499

Parameter / Variable
(short description)

Name

Explanation

Relative
address

Absolute

address,

non-

Modicon

Absolute

address,

Modicon-

comp.

Units

Test register

TestRegister uint32

Register reserved for testing communications and protocol
handling with this type of register, without affecting the operation
of the flow meter.

0

5000

5000-5001

(2 regs)

-

Alarm / status events

Parameter / Variable
(short description)

Register Name

Bit Bit Name

Explanation

Relative
address

Absolute

address,

non-

Modicon

Absolute

address,

Modicon-

comp.

Units

Down All Channels, no
custody transfer
standard (FAILED)

Alarm&Status Pipe

0 A FailAll

Alarm flag indicating none of the
acoustic paths is operational.

1

5001

5002-5003

(2 regs)

[status]

Down Channels,
Custody Transfer
unreliable (FAILED)

Alarm&Status Pipe

1 A FailUnreliable

Alarm flag indicating some paths out of
operation, reading

NOT valid for

custody transfer

measurement.

1

5001

5002-5003

(2 regs)

[status]

Down Channels, but
Custody Transfer
reliable

Alarm&Status Pipe

2 A FailReliable

Alarm flag indicating some paths out of
operation, reading

valid for custody

transfer

measurement.

1

5001

5002-5003

(2 regs)

[status]