Hitachi SJ700-2 instruction manual Response frame Frame format

Chapter 4 Explanation of Functions

(iv)03 command: This command reads all monitored 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	03
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	104 bytes	See Note 7.
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 7: Monitored data

Monitoring item	Unit	Magnifica-	Data size		Description
		tion
Output frequency	Hz	×100		8 bytes	Decimal ASCII code	↑
						High-
Output current	A	×10		8 bytes	Decimal ASCII code
Rotation direction	-	-		8 bytes	"0" stopping, "1" (forward rotation), or "2"
					(reverse rotation)	order
PID feedback data	%	×100		8 bytes	Decimal ASCII code	bytes
Intelligent input terminal	-	-		8 bytes	See Note 7.
Intelligent output terminal	-	-		8 bytes	See Note 8.	Low-
Frequency conversion	-	×100		8 bytes	Decimal ASCII code
Output torque	%	×1		8 bytes	Decimal ASCII code
						order
Output voltage	V	×10		8 bytes	Decimal ASCII code
Electric power	kW	×10		8 bytes	Decimal ASCII code	bytes
-	-	-		8 bytes	Always "00000000" (reserved for data storage)
Cumulative running time	h	×1		8 bytes	Decimal ASCII code	↓
Cumulative power-on time	h	×1		8 bytes	Decimal ASCII code
Note 8: Monitoring of intelligent input terminals				Note 8: Monitoring of intelligent output terminals

Terminal	Data
FW terminal	00000001
Terminal 1	00000002
Terminal 2	00000004
Terminal 3	00000008
Terminal 4	00000010
Terminal 5	00000020
Terminal 6	00000040
Terminal 7	00000080
Terminal 8	00000100

Terminal	Data
Relay terminal	00000001
Terminal 11	00000002
Terminal 12	00000004
Terminal 13	00000008
Terminal 14	00000010
Terminal 15	00000020

4 - 120