95
6
. Detailed settings for communications
6.3 CompoWay/F (continued)
■
Controller status read (0601)
Reads operational state and error status.
Service request PDU
Service response PDU (normal)
• Operational state
• Related information
• If there is one pulse output warning from amongst OUT1 to 4, the B7 will be 1.
• Response code
Refer to “List of response codes” for details about each response code. (
Example of bit information for related information
If a memory error (B0) occurs, the bits in the related information of the status information appear as follows.
Displayed as "01" in the PDU.
MRC
SRC
0
6
0
1
2
2
MRC
SRC
Response code
Operational
state
Related
information
0
6
0
1
2
2
4
2
2
Operational state
Description
00
The unit is measuring without error.
01
An error has occurred and measuring has stopped.
Bit position
Meaning
Description
B0(LSB)
Memory error
0: no error, 1: error
B1
V
R
open phase warning
0; No warning, 1: Warning
B2
V
S
open phase warning
0: No warning, 1: Warning
B3
V
T
open phase warning
0: No warning, 1: Warning
B4
Input frequency warning
0: No warning, 1: Warning
B5
Phase sequence error
0: No warning, 1: Warning
B6
Active power is a negative value 0: No warning, 1: Warning
B7(MSB)
Pulse output warning
0: No warning, 1: Warning
B7
B6
B5
B4
B3
B2
B1
B0
0
0
0
0
0
0
0
1