Siemens SENTRON PAC1020 - Modbus Status Parameters

Appendix
A.1 Modbus
PAC1020
84 Equipment Manual, 05/2020, L1V30610008B-01
A.1.6 Modbus status parameters with the function code 0x02
Status parameters
You can use the Modbus function code 0x02 on all the status parameters listed below.
Table A- 7 Status parameters
Offset
Number of
registers
Name Format Value range from ...
to
Access
108
1
Bit 0 relevant parameters changed
Bit
0 = not active
1 = active
R
110
1
Bit 2 pulse output overload
Bit
R
111
1
Bit 3 device has rebooted
Bit
R
112
1
Bit 4 energy counters changed by user
Bit
R
117
1
Bit 1 pulse output overload
Bit
R
125
1
Bit 1 local configuration menu is active
Bit
R
126
1
Bit 2 voltage overload
Bit
R
127
1
Bit 3 current overload
Bit
R
200
1
Binary input 0.0
Bit
R
300
1
Binary output 0.0
Bit
R
A.1.7 Modbus settings with the function codes 0x03, 0x04 and 0x10
Addressing the settings
You can use the Modbus function codes 0x03 and 0x04 for read access operations and 0x10
for write access operations on all the setting parameters listed below.
Table A- 8 Setting parameters
Offset Number of
registers
Name Format Unit Value range from ... to Access
to value (software)
read only / read
write
49999
2
Current nominal dis-
play range
unsigned long
A
1 … 99999
RW
50001
2
Type of connection
unsigned long
0 … 1
• 0 = 3P4W
•
1 = 3P3W
RW
50003
2
Voltage transformer
yes/no
unsigned long
0 … 1
• 0 = No
• 1 = Yes
RW
50005
2
Primary voltage
unsigned long
1 … 999999V
RW
50007
2
Secondary voltage
unsigned long
1 … 480V
RW