Modbus Diagnostic Codes

SNTP and QoS Diagnostic Codes

The 140 NOP 850 00 module also supports the following diagnostic codes.

Modbus SNTP Diagnostic Codes

SNTP diagnostic codes begin at 41219 (decimal) as described in the following table:

Address	MS Byte	LS Byte	Modbus Type	Comments
41219	MSW - MSB	MSW - LSB	UDINT	Enabled/disabled
Offset + 01	LSW - MSB	LSW - LSB	UDINT	Enabled/disabled
Offset + 02	MSW - MSB	MSW - LSB	UDINT	Primary NTP Server IP Address
Offset + 03	LSW - MSB	LSW - LSB	UDINT	Primary NTP Server IP Address
Offset + 04	MSW - MSB	MSW - LSB	UDINT	Secondary NTP Server IP Address
Offset + 05	LSW - MSB	LSW - LSB	UDINT	Secondary NTP Server IP Address
Offset + 06	Unused	LS Byte	USINT	Polling Period
Offset + 07	Unused	LS Byte	USINT	Daylight Saving Auto Adjustment
Offset + 08	Unused	LS Byte	USINT	Update CPU with Module Time
Offset + 09	Unused	LS Byte	USINT	Reserved
Offset + 10	MSW - MSB	MSW - LSB	UDINT	Time Zone
Offset + 11	LSW - MSB	LSW - LSB	UDINT	Time Zone
Offset + 12	MS Byte	LS Byte	INT	Time Zone Offset
Offset + 13	Unused	Unused	USINT	Reserved
Offset + 14	Unused	Unused	USINT	Reserved
Offset + 15	Unused	LS Byte	USINT	Daylight Saving Start Date - Month
Offset + 16	Unused	LS Byte	USINT	Daylight Saving Start Date - week # day of week
Offset + 17	Unused	LS Byte	USINT	Daylight Saving End Date - Month
Offset + 18	Unused	LS Byte	USINT	Daylight Saving End Date - week # day of week
Offset + 19	MSW - MSB	MSW - LSB	UDINT	Network Time Service Status
Offset + 20	LSW - MSB	LSW - LSB	UDINT	Network Time Service Status
Offset + 21	MSW - MSB	MSW - LSB	UDINT	Link to NTP Server Status
Offset + 22	LSW - MSB	LSW - LSB	UDINT	Link to NTP Server Status
Offset + 23	MSW - MSB	MSW - LSB	UDINT	Current NTP Server IP Address
Offset + 24	LSW - MSB	LSW - LSB	UDINT	Current NTP Server IP Address
Offset + 25	MSW - MSB	MSW - LSB	UDINT	NTP Server Type
Offset + 26	LSW - MSB	LSW - LSB	UDINT	NTP Server Type
Offset + 27	MSW - MSB	MSW - LSB	UDINT	NTP Server Time Quality
Offset + 28	LSW - MSB	LSW - LSB	UDINT	NTP Server Time Quality
Offset + 29	MSW - MSB	MSW - LSB	UDINT	Number of NTP Requests Sent
Offset + 30	LSW - MSB	LSW - LSB	UDINT	Number of NTP Requests Sent
Offset + 31	MSW - MSB	MSW - LSB	UDINT	Number of Communication Errors
Offset + 32	LSW - MSB	LSW - LSB	UDINT	Number of Communication Errors
Offset + 33	MSW - MSB	MSW - LSB	UDINT	Number of NTP Reponses Received
Offset + 34	LSW - MSB	LSW - LSB	UDINT	Number of NTP Reponses Received
Offset + 35	MS Byte	LS Byte	UINT	Last Error
Offset + 36	MSW - MSB	MSW - LSB	UDINT	Current Time
Offset + 37	LSW - MSB	LSW - LSB	UDINT	Current Time
Offset + 38	MS Byte	LS Byte	UINT	Current Date
Offset + 39	MSW - MSB	MSW - LSB	UDINT	Daylight Savings Status
Offset + 40	LSW - MSB	LSW - LSB	UDINT	Daylight Savings Status
Offset + 41	MSW - MSB	MSW - LSB	UINT	Time Since Last Update
Offset + 42	LSW - MSB	LSW - LSB	UINT	Time Since Last Update

Modbus QoS Diagnostic Codes

QoS diagnostic codes begin at 41261 (decimal) as described in the following table

Address	MS Byte	LS Byte	CIP Type	Comments
41261	MS Byte	LS Byte	UINT	802.1Q Tag enable / disable
Offset + 01	MS Byte	LS Byte	UINT	Reserved for DSCP PTP Event
Offset + 02	MS Byte	LS Byte	UINT	Reserved for DSCP PTP General
Offset + 03	MS Byte	LS Byte	UINT	Reserved for DSCP EIP Urgent
Offset + 04	MS Byte	LS Byte	UINT	Reserved for DSCP EIP Scheduled
Offset + 05	MS Byte	LS Byte	UINT	Reserved for DSCP EIP High
Offset + 06	MS Byte	LS Byte	UINT	Reserved for DSCP EIP Low
Offset + 07	MS Byte	LS Byte	UINT	Reserved for DSCP EIP Explicit
Offset + 08	MS Byte	LS Byte	UINT	Reserved for DSCP Modbus IO Scanner (same as DSCP EIP High)
Offset + 09	MS Byte	LS Byte	UINT	DSCP Modbus Client/Server (same EIP Explicit)
Offset + 10	MS Byte	LS Byte	UINT	DSCP SNTP
Offset + 11	MS Byte	LS Byte	UINT	DSCP IEC61850_Client