INFICON PSG55x ATM to Medium Vacuum Gauge - Manual (Page 31)

tina60e1-a (2011-04) 31
3.2.4 D-Sub, 15-pin HD, RS485 INF Connector
If no sensor cable is available, make one according to the
following diagram. Connect the sensor cable.
Electrical connection
Pin 1 RS485 B+
Pin 2 RS485 A–
Pin 3 Supply
Pin 4 Supply common
Pin 5 Measurement signal
Pin 6 Signal common
Pin 7 Reserved
Pin 8 RS485 GND
Pin 9 Reserved
Pin 10 Relay SP1, N.O.
Pin 11 Relay SP2, N.O.
Pin 12 Relay SP2, common contact (com)
Pin 13 Relay SP2, N.C.
Pin 14 Relay SP1, N.C.
Pin 15 Relay SP1, common contact (com)
15 5
11 1
10
6
D-Sub
15-pin HD
female
soldering
side
11
15
5
6
3
4
12
14
+
–
+
–
+24V
10
nF
10
13
SP1
SP2
4.7 Ω
4.7 Ω
10
k
18V
8
2
1
RS-4
85
10 Ω
47
0Ω
120 Ω
2 Termination
3 Fail safe
bias
47
0Ω
+5V
1 Fail safe bias
Measurement
signal