2 "ic separation center" interface, Ic separation center" interface – Metrohm 820 IC Separation Center User Manual
Page 91
5.2 Remote interfaces
819 IC Detector / 820 IC Separation Center
83
5.2.2
"IC Separation Center" interface
The 820 IC Separation Center is normally attached to remote interface
10 "IC Separation Center" (see Section 2.3). If the 819 IC Detector is
operated without a Separation Center, this remote interface can also be
used for the connection of external devices. The remote interface "IC
Separation Center" has the following pin assignment:
819 IC Detector
Pin
Function
Inputs
+5V
21
Position "FILL" at injection valve A
L = Valve A in position "FILL"
H = Valve A not in position "FILL"
+5V
9
Position "INJECT" at injection valve A
L = Valve A in position "INJECT"
H = Valve A not in position "INJECT"
+5V
22
Position "FILL" at injection valve B or "in position" at suppressor
L = Valve B in position "FILL" or suppressor set to "in position"
H = Valve B not in position "FILL" or suppressor not set to
"in
position"
+5V
10
Position "INJECT" at injection valve B
L = Valve B in position "INJEC
T"
H = Valve B not in position "INJECT"
+5V
+5V
23
11
2
0
2
1
Configuration of the 820 IC Separation Center
Input
Decimal Status
11 23
code
H
H
0
undefined
H
L
1
valve
A
L
H
2
valve A + suppressor
L
L
3
valve A + valve B
+5V
24
Connection 820 IC Separation Center
L = 820 IC Separation Center connected
H = 820 IC Separation Center not accessible
+5V
12 not
assigned