Nokeval RCS770, Руководство пользователя

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RS-485 REPEATER
Jumpers
•
485 repeater mode is selected with jumpers J9, J10, and J12 according to the picture.
• J1 and J5 define the 485 bus termination, see page 12.
• J14 controls the power supply options, see page 10.
• J11 selects the baud rate and bit format:
Connectors
• J3 and J4 are the RS-485 buses. Data on either bus is repeated onto the other.
• This converter must be powered up from an external supply brought to connector J7 or J8. See page 10.
9
4 3 2 1 4 3 2 1 3 2 1
J6
J2
J3 J4 J8
J1
J5
J10
J12
J13
J11
J9
J14
D1
D2 D3
RS-485
device
C
D1 D0
+
J7
RS-485
device
C
D1 D0
+
M
a
sc
o
t
9V
1200 2400 4800 9600 19200 38400 57600 115200 8N1, 7E1, 7O1, 7N2 8E1, 8O1, 8N2, 9N1