Terminal Board - Siemens PGC 302 Edition II Manual

Control electronics

Terminal board

The terminal board connects the interface board 3 to
the valves, switches, recorders etc. It has terminals for
the following functions:
24 digital outputs
16 digital inputs
4 analog outputs
Power supplies
Serial interfaces 1, 3 and 4
You can find detailed information on these subjects in
Register 3.
CAUTION
To prevent interferences, all external cables
must be screened. The screen must be
connected to the chromatograph housing in
the cable gland.
12
XK1
0
9
X1
10
20
19
29
30
39
48
X3
X4
57
X5
1
66
X2
74
XK1
Terminal assignments
Terminal Group
1 Power
2 supply
3
4
5
8 Failure relay
9
10 Analog
11 outputs
12
13
14
15
20 Serial
21 interfaces
22
23
24
25
26
27
28
29
30 Digital
31 outputs
32
33
34
35
36
37
38
39 ... 46
47
48 ... 55
56
57 Digital
58 inputs
59
60
61
62
63
64
65
66 ... 73
74
Cable connections
Cable Application
X 1 To interface board 3, bottom
X 2 1 = 24 V; 2 = GND, comes from bus board X 18
X 3 To PCPU-2, SER.1
X 4 To PCPU-2, SER.3
X 5 To PCPU-2, SER.4
Application
-15 V
GND 5 V
+15 V
+24 V
GND 24 V
Relay contact, max. 0,5A/100V
Contact open = Analyzer Failure
Ground
Analog output 1
Analog output 2
Analog output 3
Analog output 4
Ground
SER.1 TxD -
SER.1 TxD +
SER.1 RxD -
SER.1 RxD +
Looping point
Looping point
SER.3 a
SER.3 b
SER.4 a
SER.4 b
24 V = Ready / 0 V = Not ready
24 V = Maintenance request
24 V = Run A
24 V = Run B
Cooling
Air flaps moving
Air flaps, direction: open
Heater enable
GND 24 V
Digital outputs 9 to 16
GND 24 V
Digital outputs 17 to 24
GND 24 V
Short-circuit signal
Housing purging o.k.
Housing temperature o.k.
Carrier gas pressure o.k.
External device A not ready
External device B not ready
Reserved
Reserved
GND 24 V
Digital inputs 9 to 16
GND 24 V
9KLEMM.CHP, Stand Dezember 22, 1999