![ST METERS AND MORE UM2241 Скачать руководство пользователя страница 21](http://html1.mh-extra.com/html/st/meters-and-more-um2241/meters-and-more-um2241_user-manual_1355487021.webp)
UM2241
Management information
base (MIB)
DocID030767 Rev 1
21/26
Table 12: Manufacturer data MIB object (6)
Byte
Field
Bit
Sub-field
Description and values
0-15
Device ID
-
-
Device identification string
16-21
ACA
-
-
Physical address of the node (ACA)
Table 13: Host interface timings MIB object (14)
Byte
Field
Bit
Sub-
field
Description and values
0
TSR
-
-
Maximum time (ms) between the SM reception and the start of the
request from the host controller
1
TACK
-
-
Maximum time (ms) between the end of the command frame and the
start of transmission of the acknowledge byte
2
TIC
-
-
Maximum time (ms) between two characters before an end of the
command frame is detected
Table 14: ZC alarm MIB object (18)
Byte
Field
Bit
Sub-
field
Description and values
0
ZC
Alarm
-
-
0: ZC events on the mains are regular
1: ZC detection on mains failed at least once since the last reset
of the attribute
Table 15: PHY custom frequencies MIB object (23)
Byte
Field
Bit
Sub-
field
Description and values
0-5
TX frequency
-
-
Set to {0x08, 0x7A, 0xE1, 0x07, 0x0A, 0x3D} for 132.5 kHz
/ 110 kHz frequency pair
6-11
RX
frequencies
-
-
Set to { 0x07, 0xC2, 0x8F, 0x09, 0x5C, 0x29} for 132.5 kHz
/ 110 kHz frequency pair
12-
16
Reserved
-
-
Always set to { 0x00, 0x00, 0x00, 0x00, 0x00 }
Table 16: PHY statistics MIB object (24)
Byte
Field
Bit
Sub-field
Description and values
1-2
PHY
statistics
-
Received
frames
Counter of received frames
3-4
-
Transmitted
frames
Counter of transmitter frames
5-6
-
Refused
frames
Counter of frames requested but not transmitted due to
errors in the request or the overtemperature state of the
modem
7
-
Skipped
frames
Counter of frames requested but not transmitted due to
busy channel conditions