Metrohm 812 Valve Unit - Manual (Page 6)

1.2 Parts and controls
812 Valve Unit
3
1 Valve A 7 Connection for external supply
connection of power supply unit
(5 V, 0.5 A / 24 V, 2 A)
2 "FILL" key for valve A 8 Terminal block for valve B
(without function for 2.812.0010
instrument version)
Ground, Fill, Inject:
inputs for control of the valve
Pos.Fill:
output signal on switching of the
valve to position "FILL"
Integr.Start:
output signal on switching of the
valve to position "INJECT"
3 "INJECT" key for valve A 9 Connection for 732 IC Detector B
(without function for 2.812.0010
instrument version)
4 "FILL" key for valve B
(without function for 2.812.0010
instrument version)
10 Terminal block for valve A
Ground, Fill, Inject:
inputs for control of the valve
Pos.Fill:
output signal on switching of the
valve to position "FILL"
Integr.Start:
output signal on switching of the
valve to position "INJECT"
5 "INJECT" key for valve B
(without function for 2.812.0010
instrument version)
11 Connection for 732 IC Detector A
6 Ventil B
(not available for 2.812.0010
instrument version)
12 Model plate
with serial number