Additel ADT761 Series, Руководство пользователя

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2.1.2 Electrical terminals and signal interface
2.1.3 RS-232 interface
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The RS-232 interface is designed as a 9 pole SUB-D-socket, Pin-configuration see Figure table 2-2.
Terminal and Interface
6 and 2
1 and 2
5 and 2
3 and 6
7 and 4
3 and 7
3 and 2
Pressure module
connection
RS-232 interface
DC27V input
Introduction
Current measure.
Voltage measure.
Switch test.
HART communication.
Current output (external power).
Current output (internal power).
Loop power supply at 24V.
Works with ADT160 pressure modules.
Computer interface.
Power supply and battery recharge.
Table 2-1 Electrical terminals and signal interface
Figure 2-2 Electrical terminals and signal interface
Pin
Configuration
1
N.C.
2
TX
3
RX
4
N.C.
5
GND
6
N.C.
7
N.C.
8
N.C.
9
N.C.
Table 2-2 Pin configurations