Metrohm 731 Relay Box - Manual (Page 18)

2. Installation
Relay Box 731, Instructions for use 12
Assignation of the remote socket according to pins:
Pin I/O lead Function
1 Output 6 L3 activate
2 Output 7 Pulse for recorder
3 Output 4 L1
4 Output 2 Determination busy
5 Output 0 Ready
6 Output 8 not used
7 Output 9 not used
8 Output 10 not used
9 Input 1 Stop
10 Input 3 Clear
11 Input 5 not used
12 Input 7 not used
13 Output 11 not used
14 0 Volt
15 +5 Volt
16 Output 5 Error
17 Output 3 EOD (End of Determination)
18 Output 1 Conditioning ok
19 Output 12 not used
20 Output 13 not used
21 Input 0 Start
22 Input 2 Enter
23 Input 4 Sample Ready
24 Input 6 not used
25 0 Volt
The pin assignation or the allocation of functions of the remote lines
may differ slightly from one Metrohm instrument to another. Consult
the ‘Instructions for use’ of your instrument.