Chapter 4 Explanation of Functions

(vi)05 command: This command reads the trip history data from the inverter. - Transmission frame

Frame format

STX

Station No.

Command

BCC

CR

 

Description

Data size

Setting

STX

Control code (Start of TeXt)

1 byte

STX (0x02)

Station No.

Station number of control-target

2 bytes

01 to 32

inverter

 

 

 

Command

Command to be transmitted

2 bytes

05

BCC

Block check code

2 bytes

XOR of the items from "Station No." to "Data."

See Item (3) of this section.

 

 

 

CR

Control code (Carriage Return)

1 byte

CR (0x0D)

-Response frame Frame format

STX

Station No.

Data

BCC

CR

 

Description

Data size

Setting

STX

Control code (Start of TeXt)

1 byte

STX (0x02)

Station No.

Station number of control-target

2 bytes

01 to 32

inverter

 

 

 

Data

Data monitored at tripping

440 bytes

See Note 9.

BCC

Block check code

2 bytes

XOR of the items from "Station No." to "Data."

See Item (3) of this section.

 

 

 

CR

Control code (Carriage Return)

1 byte

CR (0x0D)

Note 11: The inverter stores the data (trip history) on the last six times of tripping, together with the total trip count (8 bytes).

Total trip count

Trip 1 data

・・・・・・

Trip 6 data

Monitoring item

Unit

Magnification

Data size

Remarks

 

Trip factor

-

-

8 bytes

Factor code

Inverter status A

-

-

8 bytes

04 command

High

Inverter status B

-

-

8 bytes

-order

See Note 7.

Inverter status C

-

-

8 bytes

bytes

 

Output frequency

Hz

×10

8 bytes

Decimal ASCII code

Low-order

Cumulative running time

hour

×1

8 bytes

Decimal ASCII code

Output current

A

×10

8 bytes

Decimal ASCII code

DC voltage

V

×10

8 bytes

Decimal ASCII code

bytes

Cumulative power-on time

hour

×1

8 bytes

Decimal ASCII code

 

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Image 180
Hitachi SJ700-2 instruction manual Data monitored at tripping, Inverter status B Bytes, Inverter status C Bytes