User's Manual

RTM Elster AMCO applicative PFS Coronis Systems
5.12.5.Triggering an alarm frame
Automatic transmission alarm frame format
Applicative
Command
Generic header Alarm Status RTC on Alarm detection Alarm Data field
1 byte 23 bytes 3 bytes 7 bytes 2 bytes
0x40
ATTENTION:
an alarm frame only has one type of detection. When several alarms are detected, RTM Elster AMCO
emits the frames one after the other.
Next alarm frame will be transmitted after the previous frame has been acknowledged.
Alarm Status for RTM Elster AMCO pulse profile
Alarm Status MSB Byte
Bit Number Bit 23
(MSB)
Bit 22 Bit 21 Bit 20 Bit 19 Bit 18 Bit17
Bit 16
(LSB)
Bit Definition
Not used Not used Not used Not used Not used Not used Not used Not used
Alarm Status Middle Byte
Bit Number Bit 15
(MSB)
Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9
Bit 8
(LSB)
Bit Definition
Not used Not used Not used
Tamper
detection
on Port D
Tamper
detection
on Port C
Tamper
detection
on Port B
Tamper
detection
on Port A
Low Battery
Warning
Alarm Status LSB Byte
Bit Number
Bit 7
(MSB)
bit 6 bit 5 bit 4 bit 3 bit 2 bit 1
Bit 0
(LSB)
Bit Definition
extreme leak
detection
on Port D
residual leak
detection
on Port D
extreme leak
detection
on Port C
residual leak
detection
on Port C
extreme leak
detection
on Port B
residual leak
detection
on Port B
extreme leak
detection
on Port A
residual leak
detection
on Port A
The coding is as follows : 1 : Alarm detected
EVO RTM-UserMan 61