Technical data
44
TOX_Manual_Process-monitoring-unit_CEP400T_en
The output voltage from pin 6 for termination with a terminating resistor is +
5 V.
4.13 Fieldbus interface
Inputs I0-
I15
Designation Field bus
byte
Field bus
bit
I 0 Start measurement 0 0
I 1 Error reset 0 1
I 2 Offset external 0 2
I 3 Program selection strobe 0 3
I 4 Start measurement channel 2 (only 2-channel
device)
0 4
I 5 Reserve 0 5
I 6 Reserve 0 6
I 7 Reserve 0 7
I 8 Program bit 0 1 0
I 9 Program bit 1 1 1
I 10 Program bit 2 1 2
I 11 Program bit 3 1 3
I 12 Program bit 4 1 4
I 13 Program bit 5 1 5
I 14 HMI lock 1 6
I 15 Reserve 1 7
Tab.12 Data length: Byte 0-3
Outputs
Q0-Q31
Designation Field bus
byte
Field bus
bit
Q 0 OK 0 0
Q 1 NOK 0 1
Q 2 Ready for op. 0 2
Q 3 Program selection ACK 0 3
Q 4 Measure active 0 4
Q 5 Channel 2 OK (only 2-channel device) 0 5
Q 6 Channel 2 NOK (only 2-channel device) 0 6
Q 7 Measurement in progress channel 2 (only 2-
channel device)
0 7
Q 8 Channel 1 OK 1 0
Q 9 Channel 1 NOK 1 1
Q 10 Channel 2 OK 1 2
Q 11 Channel 2 NOK 1 3
Q 12 Channel 3 OK 1 4
Q 13 Channel 3 NOK 1 5
Q 14 Channel 4 OK 1 6
Q 15 Channel 4 NOK 1 7
Q 16 Channel 5 OK 2 0
Q 17 Channel 5 NOK 2 1
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