SNTP Diagnostic data of 57 words, are available on CPUs and BMENOC0301/11 communication modules using Modbus function code 3 with the unit ID set to 100, offset Modbus Address 1218 and below is the MODBUS Register Mapping:
Address | MS Byte | LS Byte | CIP Type | Comments |
1218 | MSW - MSB | MSW - LSB | Uint32 | Primary NTP Server IP Address |
Offset + 01 | LSW - MSB | LSW - LSB | ||
Offset + 02 | MSW - MSB | MSW - LSB | Uint32 | Secondary NTP Server IP Address |
Offset + 03 | LSW - MSB | LSW - LSB | ||
Offset + 04 | Unused | BYTE | Uint8 | Polling Period (in seconds) |
Offset + 05 | Unused | BYTE | Uint8 | Update CPU with Module Time |
Offset + 06 | MSW - MSB | MSW - LSB | Uint32 | Time Zone |
Offset + 07 | LSW - MSB | LSW - LSB | ||
Offset + 08 | MSB | LSB | Int16 | Time Zone Offset (in minutes) |
Offset + 09 | Unused | BYTE | Uint8 | Daylight saving time bias (in minutes) |
Offset + 10 | Unused | LSB | Uint8 | Daylight Saving Start Date - Month |
Offset + 11 | Unused | LSB | Uint8 | Daylight Saving Start Date - week #, day of week |
MS 4-bits: occurrence # (1 = 1st occurrence, 2 = 2nd occurrence…, 5 = fifth or last occurrence) | ||||
LS 4-bits: day of the week (0 = Sunday…, 6 = Saturday) | ||||
Offset + 12 | MSW - MSB | MSW - LSB | Uint32 | Daylight Saving Start Time (seconds elapsed from midnight) |
Offset + 13 | LSW - MSB | LSW - LSB | ||
Offset + 14 | Unused | LSB | Uint8 | Daylight Saving End Date - Month |
Offset + 15 | Unused | LSB | Uint8 | Daylight Saving End Date - week #, day of week |
Offset + 16 | MSW - MSB | MSW - LSB | Uint32 | Daylight Saving End Time (seconds elapsed from midnight) |
Offset + 17 | LSW - MSB | LSW - LSB | ||
Offset + 18 | Unused | BYTE | Uint8 | SNTP Mode |
Offset + 19 | Unused | BYTE | Uint8 | Reserved |
… | ||||
Offset + 32 | Unused | BYTE | Uint8 | Reserved |
Offset + 33 | MSW - MSB | MSW - LSB | UDINT | Network Time Service Status |
Offset + 34 | LSW - MSB | LSW - LSB | ||
Offset + 35 | MSW - MSB | MSW - LSB | UDINT | Link to NTP Server Status |
Offset + 36 | LSW - MSB | LSW - LSB | ||
Offset + 37 | MSW - MSB | MSW - LSB | UDINT | Current NTP Server IP Address |
Offset + 38 | LSW - MSB | LSW - LSB | ||
Offset + 39 | MSW - MSB | MSW - LSB | UDINT | NTP NTP Server Type |
Offset + 40 | LSW - MSB | LSW - LSB | ||
Offset + 41 | MSW - MSB | MSW - LSB | UDINT | NTP Server Time Quality |
Offset + 42 | LSW - MSB | LSW - LSB | ||
Offset + 43 | MSW - MSB | MSW - LSB | UDINT | Number of NTP Requests Sent |
Offset + 44 | LSW - MSB | LSW - LSB | ||
Offset + 45 | MSW - MSB | MSW - LSB | UDINT | Number of Communication Errors |
Offset + 46 | LSW - MSB | LSW - LSB | ||
Offset + 47 | MSW - MSB | MSW - LSB | UDINT | Number of NTP Reponses Received |
Offset + 48 | LSW - MSB | LSW - LSB | ||
Offset + 49 | MSB | LSB | UINT | Last Error |
Offset + 50 | MSW - MSB | MSW - LSB | UDINT | Current Time |
Offset + 51 | LSW - MSB | LSW - LSB | ||
Offset + 52 | MSB | LSB | UINT | Current Date |
Offset + 53 | MSW - MSB | MSW - LSB | UDINT | Daylight Savings Status |
Offset + 54 | LSW - MSB | LSW - LSB | ||
Offset + 55 | MSW - MSB | MSW - LSB | DINT | Time Since Last Update |
Offset + 56 | LSW - MSB | LSW - LSB |
Released for: Schneider Electric Philippines


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