Caple C806C Manuál s instrukcemi stáhnout pdf (Strana 10)

PF2100

Modbus Card Instruction Manual v1.1

Jan 5, 2012

Page 6

DIP Switch Settings

There are 4 DIP switches included on the Modbus Card v1.0 and 8 DIP switches on the Modbus Card v2.0. The default settings for these DIP Switches are shown

in Figure 3 and Figure 5 respectively. You should ensure that the DIP switches are set according to your needs. The following tables describe the DIP switch

functions:

Modbus Card v1.0

Function

Description

Baud R

ate

OFF = 9600 bps, ON = 19200 bps

NOTE: Press the reset button on the card after changing the baud rate setting

while the system is running

Rx to Tx Delay

OFF = 2ms, ON = 25ms

Unused

Termination

OFF = 120 Ohm Termination, ON = No Termination

NOTE: External termination with a different resistor value may be required for

best performance if cable other than Cat-5e is used.

Modbus Card v2.0

Function

Description

Baud Rate 1

OFF = 9600 bps, ON = 19200 bps

NOTE: Press the reset button on the card after changing the baud rate setting

while the system is running

Baud Rate 2

Ignored in the current firmware revision

Protocol

Ignored in the current firmware revision

Termination

OFF = 120 Ohm Termination, ON = No Termination

NOTE: External termination with a different resistor value may be required for

best performance if cable other than Cat-5e is used.

Rx to Tx Delay 1

OFF = 2ms, ON = 25ms

Rx to Tx Delay 2

OFF = 2ms, ON = 25ms

Parity Enable

Ignored in the

current firmware revision

Parity Odd/Even

Ignored in the current firmware revision

Figure

S1 S2

Figure 4

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 25 26

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