Electrical Connections
Chapter Three: Overview
22
P. C. Edge Card Connector
Table 2 shows the pinout of the MFC 1100 Series instruments that have a recessed P. C. Edge
Card connector (Types 1160, 2160, 1163, 2163).
P. C. Edge Card Connector Pinout
Assignment
Pin
Pin
Assignment
Chassis Ground
1
A
Set point 0 to 5.0 VDC
Power Common
2
B
Signal Common
Flow Signal Out 0 to 5.0 VDC
3
C
Signal Common
± 15 VDC
4
D
Valve Open
Optional Input
5
E
No Connection
No Connection
6
F
-15 VDC
KEY
7
H
KEY
No Connection
8
J
MKS Test Point
No Connection
9
K
No Connection
Signal Ground
10
L
Valve Close
Table 2: P. C. Edge Card Connector Pinout
Note
1.
Pins 1 through 10 are located on one side of the gold finger
connection and pins A through L are located on the opposite side of
the gold finger connection.
2.
The 0 to 5 VDC flow signal output comes from pin 3 and is
referenced to pin B which is signal common.
3.
Use any appropriate 0 to 5 VDC input signal of less than 20K ohm
source impedance referenced to pin B to supply a set point signal to
pin A.
4.
There is no internal connection on the pins assigned a “No
Connection” function.
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