External Interface Device (WHO 13)

Original Document

OpenWebNet frames for external interface device status (WHO = 13).

WHAT/DIMENSION Table

R = READ: Data read allowed.
W = WRITE: Data write allowed.

WHAT	Description	R/W
0	Time	R/W
1	Date	R/W
10	IP Address	R
11	Net Mask	R
12	MAC Address	R
15	Device Type	R
16	Firmware Version	R
19	Uptime	R
22	Date and Time	R/W
23	Kernel Version	R
24	Distribution Version	R

Command Session Messages

Time Request (WHAT = 0)

Request:

*#13**0##

Response:

*#13**0*H*M*S*T##

Parameters: - H - Hours (00-23) - M - Minutes (00-59)
- S - Seconds (00-59) - T - Time zone (3 digits): - First digit: 0 = positive, 1 = negative - Next two digits: hour offset - Example: 001 = GMT+1, 102 = GMT-2

Date Request (WHAT = 1)

Request:

*#13**1##

Response:

*#13**1*W*D*M*Y##

Parameters: - W - Day of week (00 = Sunday, 06 = Saturday) - D - Day (01-31) - M - Month (01-12) - Y - Year (4 digits)

IP Address Request (WHAT = 10)

Request:

*#13**10##

Response:

*#13**10*IP1*IP2*IP3*IP4##

Parameters: - IP address as four separate values - Example: For IP 192.168.10.1 → *192*168*10*1

Net Mask Request (WHAT = 11)

Request:

*#13**11##

Response:

*#13**11*MASK1*MASK2*MASK3*MASK4##

Parameters: - Net mask as four separate values - Example: For mask 255.255.255.0 → *255*255*255*0

MAC Address Request (WHAT = 12)

Request:

*#13**12##

Response:

*#13**12*MAC1*MAC2*MAC3*MAC4*MAC5*MAC6##

Parameters: - MAC address as six decimal values - Example: For MAC 00:10:FF:C8:10:01 → *0*10*255*200*10*1

Device Type Request (WHAT = 15)

Request:

*#13**15##

Response:

*#13**15*MODEL##

Device Types: - 6 - F452 - 7 - F452V - 11 - MHServer2 - 13 - H4684

Firmware Version Request (WHAT = 16)

Request:

*#13**16##

Response:

*#13**16*V*R*B##

Parameters: - V - Version - R - Release - B - Build

Uptime Request (WHAT = 19)

Request:

*#13**19##

Response:

*#13**19*D*H*M*S##

Parameters: - D - Days since last start-up (00-31) - H - Hours since last start-up (00-23) - M - Minutes since last start-up (00-59) - S - Seconds since last start-up (00-59)

Date and Time Request (WHAT = 22)

Request:

*#13**22##

Response:

*#13**22*H*M*S*T*W*D*M*Y##

Parameters: - H - Hours (00-23) - M - Minutes (00-59) - S - Seconds (00-59) - T - Time zone (3 digits, same format as WHAT = 0) - W - Day of week (00-06) - D - Day (01-31) - M - Month (01-12) - Y - Year (4 digits)

Kernel Version Request (WHAT = 23)

Request:

*#13**23##

Response:

*#13**23*V*R*B##

Parameters: - V - Version - R - Release - B - Build

Distribution Version Request (WHAT = 24)

Request:

*#13**24##

Response:

*#13**24*V*R*B##

Parameters: - V - Version - R - Release - B - Build

Write Commands

Time Set (WHAT = 0)

Command:

*#13**0*H*M*S*T##

Parameters: - Same format as Time Request response - Sets the current time on the device

Date Set (WHAT = 1)

Command:

*#13**1*W*D*M*Y##

Parameters: - Same format as Date Request response - Sets the current date on the device

Date and Time Set (WHAT = 22)

Command:

*#13**22*H*M*S*T*W*D*M*Y##

Parameters: - Same format as Date and Time Request response - Sets both date and time on the device

Monitor Session

All requests above also generate corresponding monitor messages:

*#13**<WHAT>*<parameters>##

The monitor session receives the same messages as the command responses, allowing real-time monitoring of device status changes.

Communication Flow

sequenceDiagram
    participant Client
    participant Server

    Note over Client,Server: Time Request Example
    Client->>Server: *#13**0##
    Server->>Client: *#13**0*14*30*25*001##
    Note right of Server: 14:30:25 GMT+1

    Note over Client,Server: IP Address Request
    Client->>Server: *#13**10##
    Server->>Client: *#13**10*192*168*1*100##
    Note right of Server: IP: 192.168.1.100

    Note over Client,Server: MAC Address Request  
    Client->>Server: *#13**12##
    Server->>Client: *#13**12*0*16*255*200*16*1##
    Note right of Server: MAC: 00:10:FF:C8:10:01

Notes

• All read commands return *#*1## for acknowledgment
• Time zone format uses 3 digits with first digit indicating sign
• MAC addresses are transmitted in decimal format, not hexadecimal
• Date and time can be read and written using WHAT = 22
• Monitor sessions receive the same frame formats as command responses

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