Structure; Structure - Digital Input Status And Digital Output Status With The Function Codes 0X03 And 0X04; Structure - Device Diagnostics And Device Status With The Function Codes 0X03 And 0X04; Table 5-5 Structure - Status Of The Digital Inputs And Status Of The Digital Outputs - Siemens SENTRON PAC RS485 Manual

Parameter assignment/Addressing
5.1 MODBUS RTU
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
Status of the Digital Outputs
Status of the Digital Inputs
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
0 0 No synchronization pulse
0 1 Device Configuration menu is active
0 2 Voltage overload
0 3 Current overload
1 0 Module slot 1
1 1 Maximum pulse rate exceeded
2 0 Relevant parameter changes
2 1 Upper or lower limit violation
2 2 Maximum pulse rate exceeded
2 3 Restart of the device
2 4 Resetting of energy counter by user
1) Only these device statuses are to be acknowledged.
See also
Modbus status parameters with the function code 0x02 (Page 39)
38
Length
32 bits
32 bits
Type
Status
Status
Status
Status
Status
Status
saving
1)
saving
1)
saving
1)
saving
1)
saving
1)
Status Byte Bit
DO 3 0
DI 3 0
Bit mask
0x01000000
0x02000000
0x04000000
0x08000000
0x00010000
0x00020000
0x00000100
0x00000200
0x00000400
0x00000800
0x00001000
Bit mask Access
0x00000001 R
0x00000001 R
Value range Access
0 = R
Not active
R
R
1 =
R
active
R
R
R
R
R
R
R
PAC RS485
Manual, 02/2008, A5E02091800B-01