What is the MODBUS Register Mapping of SNTP Diagnostics Data for CPUs and communication modules in M580?

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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 United Arab Emirates

Published on:10/06/2021Last Modified on:27/01/2025

What is the MODBUS Register Mapping of SNTP Diagnostics Data for CPUs and communication modules in M580?

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