Rohde & Schwarz 890 Series - A1.4 Setting the RS232 C > RS485 Interface Parameters

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User Manual f Setting the RS232C > RS485 Interface Parameters
A1.4 Setting the RS232C > RS485 Interface Parameters
1. Carry out preparations according to A1.1.
2. Open yellow extracting levers on processor
(see Fig. A1.5 (R&S EK 895) or Fig. A1.6 (R&S
EK!896)).
3. Carefully pull out processor by taking hold
of the levers.
4. Undo and remove ten screws, fixing the
screw top to the components side.
5. Remove screw top.
6. Set the desired address by means of coding
switches S1 and S2 (see Fig. A1.10).
Permitted addresses are from 0 to 99. For
unaddressed operation set both switches
to '0'.
S1
ADDRESS
f 1
S2
ADDRESS
f 10
Note:
If several VLF>HF receivers are operated on
one bus, each receiver must be addressed
separately, i.e. address '0' is not permitted.
Basic setting ex works: address = 00
7. Set the required baud rate by means of
coding switch S3 and the table below.
S3
BAUD RATE
Baud rate table:
S3 Baudrate Stop bit
0 external clock 1
1 50 Bd 2
2 100 Bd 2
3 110 Bd 2
4 300 Bd 1
5 600 Bd 1
6 1200 Bd 1
7*) 2400 Bd 1
8 4800 Bd 1
9 9600 Bd 1
A 19200 Bd 1
B 38400 Bd 1
C 9600 Bd 1
D 9600 Bd 1
E 9600 Bd 1
F 9600 Bd 1
*) Basic setting ex works
6164.0717.02_01
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