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Appendix
A.1 Modbus TCP
PAC2200CLP
Equipment Manual, 06/2021, L1V30820585B-02
105
A.1.5 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 input"
• "Status of the digital output"
Input status and output status of the PAC2200CLP
Table A- 4 Structure - Status of the digital inputs and outputs, Modbus offset 207 and 209
Name Length Status Byte Bit Bit mask Access
Status: Digital output 32 bits DO 3 0 0x00000001 R
Status: Digital input 32 bits DI 3 0 0x00000001 R
A.1.6 Structure - Device diagnostics and device status with the function codes
0x03 and 0x04
Structure
Table A- 5 Modbus offset 205, register 2: Structure device status and device diagnostics
Byte Bit Device status Type Bit mask Value range Access
0 1 Device configuration menu is active Status 0x02000000 0 =
not active
1 =
active
R
0 2 Voltage out of range Status 0x04000000 R
0 3 Current out of range Status 0x08000000 R
0 4 Device time inaccurate Status 0x10000000 R
0 5 Update status is active Status 0x20000000 R
0 6 Hardware write protection is active Status 0x40000000 R
0 7 Modbus communication is write-protected Status 0x80000000 R
1 1 Maximum pulse rate exceeded Status 0x00020000 R
1 5 Logbook full Status 0x00200000 R
1 6 SNTP not synchronizing Status 0x00400000 R
1 7 Wait for user interaction Status 0x00800000 R
2 0 Relevant parameter changes
1)
Stored 0x00000100 RW
2 2 Maximum pulse rate was exceeded
1)
Stored 0x00000400 RW
2 3 Restart of the device
1)
Stored 0x00000800 RW
1)
Only these device states must be acknowledged.