System Data Registers (SD)

Address

System Nickname

Description

Description

SD1

_PLC_Error_Code

Stores the current Error Code.  If no Error, the value = 0.

SD5

_Firmware_Version_L

Stores the current Low portion of the Firmware Version.

For example, if the Firmware Version is V1.10, then this register has a 10.

SD6

_Firmware_Version_H

Stores the current High portion of the Firmware Version.

For example, if the Firmware Version is V1.10, then this register has a 1.

SD7

_Sub_Firmware_Version_L

Stores the current Low portion of the Sub Firmware Version.

For example, if the Sub Firmware Version is V3.10, then this register has a 10.

SD8

_Sub_Firmware_Version_H

Stores the current High portion of the Sub Firmware Version.

For example, if the Sub Firmware Version is V3.10, then this register has a 3.

SD9

_Scan_Counter

Increases the stored value on every Scan up to 32,767, then rolls back to 0 and starts Increasing again.

SD10

_Current_Scan_Time

Stores the current Scan Time value.

SD11

_Minimum_Scan_Time

Stores the Shortest scan time since the PLC was set to RUN mode.

SD12

_Maximum_Scan_Time

Stores the Longest scan time since the PLC was set to RUN mode.

SD13

_Fixed_Scan_Time_Setup

Stores the Fixed Scan Time Setup  value.  (ms)

SD14

_Interrupt_Scan_Time

Stores the time spent executing interrupts during the previous scan (ms)

SD19

_RTC_Year (4 digits)

Stores the Real Time Clock'sCurrent Year as 4-Digits.

SD20

_RTC_Year

(2 digits)

Stores the Real Time Clock's Current Year as 2-Digits.

SD21

_RTC_Month

(1-12)

Stores the Real Time Clock'sCurrent Month.

SD22

_RTC_Day

(1-31)

Stores the Real Time Clock's Current Day.

SD23

_RTC_Day_of_the_Week

Stores the Real Time Clock's Current Day of the Week.

1 = Sunday

2 = Monday

3 = Tuesday

4 = Wednesday

5 = Thursday

6 = Friday

7 = Saturday

SD24

_RTC_Hour

(0-23)

Stores the Real Time Clock's Current Hour.

SD25

_RTC_Minute

(0-59)

Stores the Real Time Clock's Current Minute.

SD26

_RTC_Second

(0-59)

Stores the Real Time Clock's Current Second.

SD29

_RTC_New_Year(4 digits)

Adjust the current Year (use with SC53)

SD31

_RTC_New_Month

Adjust the current Month (use with SC53) (1-12)

SD32

_RTC_New_Day

Adjust the current Day (use with SC53) (1-31)

SD34

_RTC_New_Hour

Adjust the current Hour (use with SC55) (0-23)

SD35

_RTC_New_Minute

Adjust the current Minute (use with SC55) (0-59)

SD36

_RTC_New_Second

Adjust the current Second (use with SC55) (0-59)

SD40

_Port1_Received_Data_Len

Stores the number of characters that were received through Com Port 1 in the ASCII format.

SD41

_Port1_No_Comm_Time

Stores the time that has passed in Seconds since Com Port 1 received a message from the Network Master.

Put 0 to Reset the Register.

SD42

_Port1_Rcv_Pkt_High_Cnt

A counter for the number of high packet events on Ethernet Port 1.

SD50

_Port2_Received_Data_Len

Stores the number of characters that were received through Com Port 2 in the ASCII format.

SD51

_Port2_No_Comm_Time

Stores the time that has passed in Seconds since Com Port 2 received a message from the Network Master.

Put 0 to Reset the Register.

SD60

_Port3_Received_Data_Len

Stores the number of characters that were received through Com Port 3 in the ASCII format.

SD61

_Port3_No_Comm_Time

Stores the time that has passed in Seconds since Com Port 3 received a message from the Network Master.

Put 0 to Reset the Register.

SD62

_BT_Paired_Device_Count

Stores the number of paired Bluetooth devices.

SD63

_SD_Total_Memory_L

Stores the SD card Total Memory Available Low Word (megabyte)

SD64

_SD_Total_Memory_H

Stores the SD card Total Memory Available High Word (megabyte)

SD65

_SD_Free_Memory_L

Stores the SD card Free Memory Available Low Word (megabyte)

SD66

_SD_Free_Memory_H

Stores the SD card Free Memory Available High Word (megabyte)

SD67

_SD_Used_Memory_L

Stores the SD card Used Memory Available Low Word (megabyte)

SD68

_SD_Used_Memory_H

Stores the SD card Used Memory Available High Word (megabyte)

SD69

_SD_Error_Information

Stores the SD error number (see SD Card Error Codes)

SD70

_SD_Log_File_Number

Stores the current number of Log Files on the SD.

SD80

_IP_Address1

Stores the IP Octet #1

SD81

_IP_Address2

Stores the IP Octet #2

SD82

_IP_Address3

Stores the IP Octet #3

SD83

_IP_Address4

Stores the IP Octet #4

SD84

_Subnet_Mask1

Stores the Network Mask Octet #1

SD85

_Subnet_Mask2

Stores the Network Mask Octet #2

SD86

_Subnet_Mask3

Stores the Network Mask Octet #3

SD87

_Subnet_Mask4

Stores the Network Mask Octet #4

SD88

_Default_Gateway1

Stores the Gateway Address Octet #1

SD89

_Default_Gateway2

Stores the Gateway Address Octet #2

SD90

_Default_Gateway3

Stores the Gateway Address Octet #3

SD91

_Default_Gateway4

Stores the Gateway Address Octet #4

_EIP_ModuleStatus

0 = No Error

1 = PLC Critical Error Detected, see SD1 for more information.

2 = High load detection, this occurs when many Interrupt programs delay the EtherNet/IP Adapter.

_EIP_IdentityStatus

Bits 4:7 Combined

2 = At least one faulted Class 1 I/O Connection

3 = No Class 1 I/O Connections established

5 = Fault, Bit 10 or Bit 11 is Set.

6 = At least one Class 1 I/O Connection in run mode.

7 = At least one Class 1 I/O Connection established in idle mode.

Bit 8, Either a connection Timed Out, or High load was detected.

Bit 11, PLC Critical Error Detected, see SD1 for more information.

_EIP_Con1_NodeStatus

The value of the Connection Object Class (0x05) Attribute 1 "State" of Connection 1. A value of 3 means a Connection is established.

_EIP_Con1_GeneralStatus

This value indicates an error value when a Class 1 I/O connection was unsuccessful. This value was returned to the Scanner device. More detailed information can be found in CLICK EtherNet/IP Error Codes.

SD105

_EIP_Con1_ExtendedStatus

This value indicates an extended error value when a Class 1 I/O connection was unsuccessful. This value was returned to the Scanner device. More detailed information can be found in CLICK EtherNet/IP Error Codes.

SD106

_EIP_Con1_LostCount

A counter for the number of Class 1 Implicit lost packets for this connection.

SD107

_EIP_Con1_DisConCount

A counter for the number of Class 1 Implicit disconnections.

SD108

_EIP_Con1_No_Comm_Time

Stores the time that has passed in Seconds since Connection 1 received a message from the Client/Originator.

SD109

_EIP_Con2_NodeStatus

The value of the Connection Object Class (0x05) Attribute 1 "State" of Connection 2. A value of 3 means a Connection is Established.

SD110

_EIP_Con2_GeneralStatus

This value indicates an error value when a Class 1 I/O connection was unsuccessful. This value was returned to the Scanner device. More detailed information can be found in CLICK EtherNet/IP Error Codes.

SD111

_EIP_Con2_ExtendedStatus

This value indicates an extended error value when a Class 1 I/O connection was unsuccessful. This value was returned to the Scanner device. More detailed information can be found in CLICK EtherNet/IP Error Codes.

SD112

_EIP_Con2_LostCount

A counter for the number of Class 1 Implicit lost packets for this connection.

SD113

_EIP_Con2_DisConCount

A counter for the number of Class 1 Implicit disconnections.

SD114

_EIP_Con2_No_Comm_Time

Stores the time that has passed in Seconds since Connection 2 received a message from the Client/Originator.

SD131

_Password_Failed_Count

Stores the number of incorrect Logins since power up.

SD132

_Port1_AL_Denied_No1_Cnt

A counter for the number of rejected connections by newest device on the Allow List on Port1.

SD133

_WLAN_AL_Denied_No1_Cnt

A counter for the number of rejected connections by newest device on the Allow List on WLAN Port.

SD134

_Port1_AL_Denied_Count

A counter for the total number of rejected connections by the Allow List on Port1 since power up. This count is not reset when clearing the Allow List Denied Records.

SD135

_WLAN_AL_Denied_Count

A counter for the total number of rejected connections by the Allow List on WLAN Port since power up. This count is not reset when clearing the Allow List Denied Records.

SD140

_S0_P1_Received_Data_Len

Stores the number of characters that were received through DCM0 (Slot 0) Com Port 1 in the ASCII format

SD141

_S0_P1_No_Comm_Time

Stores the time that has passed in Seconds since DCM0 (Slot 0) Com Port 1 received a message from the Network Master.

Put 0 to Reset the Register.

SD142

_S0_P2_Received_Data_Len

Stores the number of characters that were received through DCM0 (Slot 0) Com Port 2 in the ASCII format

SD143

_S0_P2_No_Comm_Time

Stores the time that has passed in Seconds since DCM0 (Slot 0) Com Port 2 received a message from the Network Master.

Put 0 to Reset the Register.

SD144

_S1_P1_Received_Data_Len

Stores the number of characters that were received through DCM1 (Slot 1) Com Port 1 in the ASCII format

SD145

_S1_P1_No_Comm_Time

Stores the time that has passed in Seconds since DCM1 (Slot 1) Com Port 1 received a message from the Network Master.

Put 0 to Reset the Register.

SD146

_S1_P2_Received_Data_Len

Stores the number of characters that were received through DCM1 (Slot 1) Com Port 2 in the ASCII format

SD147

_S1_P2_No_Comm_Time

Stores the time that has passed in Seconds since DCM1 (Slot 1) Com Port 2 received a message from the Network Master.

Put 0 to Reset the Register.

SD150

Remote PLC Connect Count

Shows the number of connections using the Remote PLC ports.

SD188

_Port1_MAC_Address1

Stores the MAC Octet #1

SD189

_Port1_MAC_Address2

Stores the MAC Octet #2

SD190

_Port1_MAC_Address3

Stores the MAC Octet #3

SD191

_Port1_MAC_Address4

Stores the MAC Octet #4

SD192

_Port1_MAC_Address5

Stores the MAC Octet #5

SD193

_Port1_MAC_Address6

Stores the MAC Octet #6

SD194

_WLAN_ST_MAC_Address1

Stores the MAC Octet #1 (C2 CPUs only)

SD195

_WLAN_ST_MAC_Address2

Stores the MAC Octet #2 (C2 CPUs only)

SD196

_WLAN_ST_MAC_Address3

Stores the MAC Octet #3 (C2 CPUs only)

SD197

_WLAN_ST_MAC_Address4

Stores the MAC Octet #4 (C2 CPUs only)

SD198

_WLAN_ST_MAC_Address5

Stores the MAC Octet #5 (C2 CPUs only)

SD199

_WLAN_ST_MAC_Address6

Stores the MAC Octet #6 (C2 CPUs only)

SD200

_WLAN_IP_Address1

Stores the IP Octet #1

SD201

_WLAN_IP_Address2

Stores the IP Octet #2

SD202

_WLAN_IP_Address3

Stores the IP Octet #3

SD203

_WLAN_IP_Address4

Stores the IP Octet #4

SD204

_WLAN_Subnet_Mask1

Stores the Network Mask Octet #1

SD205

_WLAN_Subnet_Mask2

Stores the Network Mask Octet #2

SD206

_WLAN_Subnet_Mask3

Stores the Network Mask Octet #3

SD207

_WLAN_Subnet_Mask4

Stores the Network Mask Octet #4

SD208

_WLAN_Default_Gateway1

Stores the Gateway Address Octet #1

SD209

_WLAN_Default_Gateway2

Stores the Gateway Address Octet #2

SD210

_WLAN_Default_Gateway3

Stores the Gateway Address Octet #3

SD211

_WLAN_Default_Gateway4

Stores the Gateway Address Octet #4

SD212

_WLAN_Signal_Strength

Stores the signal strength to the access point (0-100%)

SD213

_WLAN_Connection_Status

Stores the current connection status:

0 = No connection

1 = Connected

2 = Access Point not found

3 = Access Point found but password is wrong

4 = Connection lost

5 = Authentication failure

6 = Authentication failure (other)

SD214

_WLAN_No_Com_Time

Stores the time that has passed in Seconds since Com WLAN received a message from a Network Master.

Put 0 to Reset the Register.

SD215

_WLAN_Rcv_Pkt_High_Cnt

A counter for the number of high packet events on the WLAN Port.

SD216

_WLAN_Connected_Channel

Stores the current WiFi channel to the access point.

SD217

_WLAN_Country_Code

Stores the current WLAN country code, which controls Wi-Fi radio settings to comply with the selected country's regulations.

SD218

_WLAN_No_Connect_Status

Stores the extended status codes when SD213 indicates a connection error. Please see the table below for additional information.

Note: The Nicknames of all System Control Relays and System Data Registers start with an Underscore ( _ ) to indicate that they are System Nicknames. On the other hand, all user-defined Nicknames can not start with an Underscore. Therefore, System Nicknames can be easily identified by the Underscore at the beginning of the Nickname.

Relationship Between WLAN Connection Status Registers SD213 and SD218

SD213

SD218

0 : WLAN_NO_CONNECTION

0 : No error

1 : WLAN_CONNECTED

2 : WLAN_ERR_NO_AP_FOUND

201 : WIFI_REASON_NO_AP_FOUND

3 : WLAN_ERR_INVALID_PASSWORD

15 : WIFI_REASON_4WAY_HANDSHAKE_TIMEOUT

4 : WLAN_CONNECTION_LOST

4 : WIFI_REASON_ASSOC_EXPIRE

5 : WLAN_CONNECTION_FAIL

2 : WIFI_REASON_AUTH_EXPIRE

6 : WLAN_CONNECTION_FAIL_OTHER

1 : WIFI_REASON_UNSPECIFIED

3 : WIFI_REASON_AUTH_LEAVE

5 : WIFI_REASON_ASSOC_TOOMANY

6 : WIFI_REASON_NOT_AUTHED

7 : WIFI_REASON_NOT_ASSOCED

8 : WIFI_REASON_ASSOC_LEAVE

9 : WIFI_REASON_ASSOC_NOT_AUTHED

10 : WIFI_REASON_DISASSOC_PWRCAP_BAD

11 : WIFI_REASON_DISASSOC_SUPCHAN_BAD

13 : WIFI_REASON_IE_INVALID

14 : WIFI_REASON_MIC_FAILURE

16 : WIFI_REASON_GROUP_KEY_UPDATE_TIMEOUT

17 : WIFI_REASON_IE_IN_4WAY_DIFFERS

18 : WIFI_REASON_GROUP_CIPHER_INVALID

19 : WIFI_REASON_PAIRWISE_CIPHER_INVALID

20 : WIFI_REASON_AKMP_INVALID

21 : WIFI_REASON_UNSUPP_RSN_IE_VERSION

22 : WIFI_REASON_INVALID_RSN_IE_CAP

23 : WIFI_REASON_802_1X_AUTH_FAILED

24 : WIFI_REASON_CIPHER_SUITE_REJECTED

200 : WIFI_REASON_BEACON_TIMEOUT

202 : WIFI_REASON_AUTH_FAIL

203 : WIFI_REASON_ASSOC_FAIL

204 : WIFI_REASON_HANDSHAKE_TIMEOUT

205 : WIFI_REASON_CONNECTION_FAIL