Wiring
Stamolys CA71CODcr
18
Hauser
4.2.2
One-channel version
4.3
Switching contacts
Condition fulfilled means:
• AV 1: concentration > Alarm value 1
• AV 2: concentration > Alarm value 2
• Fault: error occurred
Contacts AV 1, AV 2 and fault are only affected during automatic operation.
4.4
Serial interface
Connection
Designation
Function
Signal inputs
Leak
Liquid has collected in the drip pan
No sample
No sample available, measurement is not started, display
flashes
Signal outputs
AV 1
Alarm value 1 exceeded or undershot
AV 2
Alarm value 2 exceeded or undershot
Fault
Retrieves error message using operation menu
Measurement end
Displays "Measurement finished" (5 s)
Analog output
l-1 channel 1
0 or 4 mA = measuring range start
20 mA = measuring range end
Connection
Terminal connection for
condition fulfilled
Terminal connection for
condition not fulfilled
Terminal connection for
power off
AV 1
A:
R:
25
25
-
-
23
24
A:
R:
25
25
-
-
24
23
25
-
24
AV 2
A:
R:
28
28
-
-
26
27
A:
R:
28
28
-
-
27
26
28
-
27
Fault
A:
R:
19
19
-
-
17
18
A:
R:
19
19
-
-
18
17
19
-
18
Unassigned
22
16
13
-
-
-
20
14
11
22
16
13
-
-
-
21
15
12
22
16
13
-
-
-
21
15
12
A = NO current configured
R = NC current configured
RS 232 of CA71
COM 1/2 at PC
SUB-D, nine-pin
Function
Function
SUB-D, nine-pin
3
TxD
RxD
2
2
RxD
TxD
3
8
CTS
RTS
7
CTS
8
5
GND
GND
5
Software protocol:
Output format:
9600 baud, 8 data bits, 1 stop bit, no parity (9600, N, 8, 1)
ASCII