Kontron PB-SIO4A Uživatelský manuál stáhnout pdf (Strana 26)

PB-SIO4A Configuration

ID 19958, Rev. 0300Page 3 - 4 ® PEP Modular Computers GmbH

3.3 Jumper Settings

The jumper positions B53 to B69 are located on the rear side of the PB-SIO4A and are

solder bridges. Jumpers B51 and B52 are located on the front side of the PB-SIO4A and

if installed are wire bridges. They are set at the factory as required and should not be

changed.

Note!

Before operating the PB-SIO4A ensure that the B51 and B52

jumper settings are set correctly according to the application. No

external VCCext may be applied to the non-optocoupler version,

and, correspondingly, external VCCext must be applied to optocou-

pler versions.

Table 3-1: PB-SIO4A Jumper Settings

Jumper/Channel Setting Default Function

B53 A 2-3

1-2

1-3

1-2-3

X receiver and driver line connected

pull-up resistor for driver line

pull-up resistor for receiver line

pull-up resistor for driver and receiver line

B55 B

B57 C

B59 D

B54 A 2-3

1-2

1-3

X receiver* and driver* line connected

pull-down resistor for driver* line

pull-down resistor for receiver* line

B56 B

B58 C

B60 D

B61 D closed

open

X 150 ohm termination resister connected

150 ohm termination resister not connected

B62 A

B63 B

B64 C

B65 C 1-2

1-3

X receiver control by driver enabled

receiver control permenant enabled

B66 D

B67 A

B68 B

B51 and B52 closed

open

VCCext and GNDext from piggyback

** (This is the operational configuration

......when optocouplers are not installed.)

VCCext and GNDext from external source

** (This is the operational configuration

......when optocouplers are installed.)

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 32 33 34

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