Siemens SENTRON PAC3100, Руководство пользователя, Страница: 133 / 152

Appendix
A.2 Modbus RTU
SENTRON PAC3100
Manual, 07/2009, A5E02385159B-01
133
A.2.6 Structure - Digital input status and digital output status with the function codes
0x03 and 0x04
The following are available via MODBUS:
●
"Status of the Digital Inputs"
● "Status of the Digital Outputs"
Input status and output status of the SENTRON PAC Power Monitoring Device
Table A- 8 Structure - Status of the digital inputs and outputs, Modbus Offset 207 and 209
Name Length Status Byte Bit Bit mask Access
Status: Digital output 0 32 bits DO 3 0 0x00000001 R
Status: Digital output 1 32 bits DO 3 1 0x00000010 R
Status: Digital input 0 32 bits DI 3 0 0x00000001 R
Status: Digital input 1 32 bits DI 3 1 0x00000010 R
A.2.7 Structure - Device diagnostics and device status with the function codes 0x03 and
0x04
Structure
Table A- 9 Modbus offset 205, tab 2: Structure device status and device diagnostics
Byte Bit Device status Type Bit mask Value range Access
0 0 No synchronization pulse Status 0x01000000 R
0 1 Device Configuration menu is active Status 0x02000000 R
0 2 Voltage overload Status 0x04000000 R
0 3 Current overload Status 0x08000000 R
1 1 Maximum pulse rate exceeded Status 0x00020000 R
2 0 Relevant parameter changes
1)
saving 0x00000100 R
2 2 Maximum pulse rate exceeded
1)
saving 0x00000400 R
2 3 Restart of the device
1)
saving 0x00000800 R
2 4 Resetting of energy counter by user
1)
saving 0x00001000
0 =
Not active
1 =
active
R
1) Only these device statuses are to be acknowledged.