Bender COMTRAXX CP9 Series Manual page 26

4.2.2.8 A&T = Alarm type and test type (internal/external)
Bit 7
X
X
0
X
X
X
X
X
X
0
0
1
The alarm type is coded by the bits 0 to 2.
The bits 3 and 4 are reserved and always have the value 0.
Bit 5 usually has the value 0 SMI472 and represents the digital value of the status
This column is relevant for the SMI472 only.
Bit 6 or 7 is usually set when an internal or external test has been completed.
Other values are reserved.
The complete byte is calculated from the sum of the alarm type and the test type.
26
6 5 4 3 2 1 0
X X X X 0 0 0
X X X X 0 0 1
0 X X X 0 1 0
X X X X 0 1 1
X X X X 1 0 0
X X X X 1 0 1
X X X X 1 1 0
X X X X ... ... ... Reserved
X X X X 1 1 1
0 X X X X X X
1 X X X X X X
0 X X X X X X
Meaning
No alarm
Prewarning
Device error
Reserved
Alarm (yellow LED), e.g. insulation fault
Alarm (red LED)
Reserved
Reserved
No test
Internal test
External test
Modbus TCP server
CP9xx_D00349_07_M_XXEN/01.2020