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Appendix A
A.3 RS-232 Connection
FUH1010 IP65 NEMA 4X Precision Volume
178
Operating Instructions, 01/2013, A5E32122003-AA
The RS-232 Interface Cable
The physical connection between the device and your PC is accomplished using a serial
interface cable, part number: 1015CPC-N. The schematic below shows the configuration of
the cable. Each wire is labeled to identify the correct terminal pin on TB1.
*1'
5;
7;
7%
①
③
9-Pin Connector
Solder side shown
②
25-Pin Connector
Figure A-4
1015CPC-N Serial Interface Cable
Meter Type
Cable Type
Siemens Part Number
Notes (Meter P/N)
All NEMA 4X
DB-9F - 3 Wire
CQO:1015CPC-N
For 7ME3600,
7ME3603
NEMA 4X with
Expanded I/O Module
DB-9F - DB-9F
CQO:1015CPC-P
For 7ME600*C,
7ME3603*C
Also, in most computer stores or online, you will be able to find or you may already have a
serial "LapLink" cable or "Null Modem" cable. These cables can be used to communicate
with the 1010P/DP systems.
If you prefer to construct your own cable, the following conventions apply in the table:
●
FUS1010 NEMA 4X includes all models (7ME3600). Termination is made to the
7ME39400AL00 or 7ME39400AL01 I/O Data Module. Meter end of cable is un-terminated
wire.
●
FUS1010 NEMA 4X with Enhanced I/O option: Termination is made to the
7ME39400AL03 or 7ME39400AL04 Enhanced I/O Data Module. These modules have a
female DB-9 connector for RS-232 communication.
Signal Name
Computer DB-9
Terminal
7ME39400AL03
7ME39400AL04
7ME39400AL00
7ME39400AL01
Ground
Pin 5
Pin 5
TB1- pin 6
Tx
Pin 2
Pin 3
TB1-pin 1
Rx
Pin 3
Pin 2
TB1 pin-4
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