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Appendix
A.1 Modbus
PAC1020
Equipment Manual, 05/2020, L1V30610008B-01
83
Offset Number of
registers
Name Format Unit Value range Access
2803 2 active energy (import, export, net) float Wh overflow 1.0e+12
set: only >= 0.0
R
2805 2 reactive energy (import, export, net) float Wh overflow 1.0e+12
set: only >= 0.0
R
A.1.4 Structure - Digital input status and digital output status with the function
codes 0x03 and 0x04
The following are available via Modbus:
•
"Digital Inputs Status"
• "Digital Outputs Status"
Table A- 5 Structure - status of the digital inputs (Modbus offset 209) and digital outputs (Modbus offset 207)
Name Length Status Byte Bit Bit mask Access
Digital outputs status 32 bits DO 0.0 3 0 0x00000001 R
Digital inputs status 32 bits DI 0.0 3 0 0x00000001 R
A.1.5 Structure - Device diagnostics and device status with the function codes
0x03 and 0x04
Table A- 6 Modbus offset 205, register 2: Structure device status and device diagnostics
Byte Bit Device status Type Bit mask Value range Access
0 1 local configuration menu is active status 0x02000000 0 … 1
•
0 = not active
• 1 = active
R
0 2 voltage overload status 0x04000000 R
0 3 current overload status 0x08000000 R
0 7 Modbus communication is password-protected status 0x80000000 R
1 1 pulse output overload status 0x00020000 R
2 0 relevant parameters changed
1)
stored 0x00000100 R
2 2 pulse output overload
1)
stored 0x00000400 R
2 3 device has rebooted
1)
stored 0x00000800 R
2 4 energy counters changed by user
1)
stored 0x00001000 R
1)
Only these device states must be acknowledged.