Metrohm 731 Relay Box - Manual (Page 24)

2. Installation
Relay Box 731, Instructions for use 18
751 Titrino , control commands:
TIP mode
Switch on pump:
>sequence
x.step output L4
x.output L4: active
Switch off pump:
>sequence
y.step output L4
y.output L4: inactive
PC-controlled titration system with the 731 Relay Box
– 772 Pump Unit – aeration valve – 2 x Titrino
For determinations under an inert gas atmosphere an aeration valve
can be switched on and off. In larger analytical systems instruments
can be switched on and off selectively.
731
772
Solenoid valve
6.2726.080
Titrinos
Settings for the 731 Relay Box:
Aeration valve connected to DC1
Output voltage:
24 volt
Remote address selection disk DC1: D (=Output 13)
772 Pump Unit connected to DC2
Output voltage:
24 volt
Remote address selection disk DC2: C (=Output 12)
Titrinos connected to AC1 and AC2 (line voltage)
Remote address selection disk AC1:
B (=Output 11)
Remote address selection disk AC2: B (=Output 11)
In this way both Titrinos are switched on or off at the same time.
6.2125.100 cable