Siemens SENTRON PAC RS485 - MODBUS Settings and Parameters

Parameter assignment/Addressing
5.1 MODBUS RTU
PAC RS485
38 Manual, 02/2008, A5E02091800B-01
5.1.6 Structure
5.1.6.1 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 5-5 Structure - Status of the digital inputs and status of the digital outputs
Name Length Status Byte Bit Bit mask Access
Status of the Digital Outputs 32 bits DO 3 0 0x00000001 R
Status of the Digital Inputs 32 bits DI 3 0 0x00000001 R
See also
Modbus status parameters with the function code 0x02 (Page 39)
5.1.6.2 Structure - Device diagnostics and device status with the function codes 0x03 and 0x04
Design
Table 5-6 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 0 Module slot 1 Status 0x00010000 R
1 1 Maximum pulse rate exceeded Status 0x00020000 R
2 0 Relevant parameter changes
1)
saving 0x00000100 R
2 1 Upper or lower limit violation
1)
saving 0x00000200 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.
See also
Modbus status parameters with the function code 0x02 (Page 39)