3 cyclic message telegrams – INFICON BCG450-SP ATM to Ultra-High Vacuum Triple Gauge (Profibus) User Manual
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tira41e1 (2005-06) BCG450SPv1.cp
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The message telegrams listed below are implemented in the gauge. They can be
selected according to requirements. When selecting a message telegram, ascertain
what output format of the measured value (integer/float) is required and whether a
parameter channel is needed or not. The gauge can also be operated in such a
way that the master does not transmit any output data to the slave.
Standard
telegram
Master
⇔
Slave
Byte
Meaning
1
M
⇒ S
1
Transition Command
2
Transition Command Value for Hot Ion Gauges
2
M
⇒ S
1 … 8
Parameter Channel
9
Transition Command
10
Transition Command Value for Hot Ion Gauges
3
M
⇒ S
1 - 8
Parameter Channel
4
S
⇒ M
1
Exception status
2
One Of N status extension
3
One Of N PV selector
4 … 5
Process value UINT16
5
S
⇒ M
1
Exception status
2
One Of N status extension
3
One Of N PV selector
4 … 7
Process value float
6
S
⇒ M
1 … 8
Parameter channel
9
Exception status
10
One Of N status extension
11
One Of N PV selector
12 … 13 Process value UINT16
7
S
⇒ M
1 … 8
Parameter channel
9
Exception status
10
One Of N status extension
11
One Of N PV selector
12 … 15 Process value float
In the following table, the possible reasonable combinations are listed with the
corresponding configuration data.
Standard telegram
Master
⇒ Slave
Standard
telegram
Slave
⇒ Master
Configuration data
-
4
0x44, 0x84, 0x05, 0x05, 0x05, 0x03
-
5
0x44, 0x86, 0x05, 0x05, 0x05, 0x08
1
4
0xC6, 0x81, 0x84, 0x05, 0x05, 0x05,
0x05, 0x05, 0x03
1
5
0xC6, 0x81, 0x86, 0x05, 0x05, 0x05,
0x05, 0x05, 0x08
3
6
0xC6, 0x87, 0x8c, 0x0A, 0x0A, 0x05,
0x05, 0x05, 0x03
3
7
0xC6, 0x87, 0x8E, 0x0A, 0x0A,
0x05, 0x05, 0x05, 0x08
2
6
0xC8, 0x89, 0x8c, 0x0A, 0x05, 0x05,
0x0A, 0x05, 0x05, 0x05, 0x03
2
7
0xC8, 0x89, 0x8E, 0x0A, 0x05, 0x05,
0x0A, 0x05, 0x05, 0x05, 0x08
2.3 Cyclic Message
Telegrams
Configuration data