Sensoray 2253 Manual do Utilizador descarregar pdf (Página 14)

Encoder connections

An encoder may be powered by the 2253P (via VCC and GND pins) or from an external

power supply. In the latter case, the power supply return must be connected to one of the

RJ-45 GND pins.

Table 4: Multifunction RJ-45 pinout when used with incremental encoder

Pin Name Description

Connect to

TTL/CMOS RS-422

1 A+ Clock A positive input

Encoder clock A output Encoder clock A+

output

2 A- Clock A negative input no connect Encoder clock A- output

3 B+ Clock B positive input

Encoder clock B output Encoder clock B+

output

4 B- Clock B negative input no connect Encoder clock B- output

5 VCC +5 VDC power, 100 mA maximum

Encoder VCC. Use this for encoders that do not

require VCC current limiting.

6 VCCLIM

+5 VDC power via 180 ohm series

resistor

Encoder VCC. Use this for encoders that require

external current limiting.

7 GND Power return/signal ground Encoder GND. These can also be connected to

cable shield if used, or external encoder power

supply if used.

8 GND Power return/signal ground

GPIO connections

Table 5: Multifunction RJ-45 pinout when used as dual digital inputs

Pin Name Description

Connect to

TTL/CMOS RS-422

1 GPIOA

GPIO A positive input GPIO A signal

source

GPIO A+ signal

source

2 NC GPIO A negative input no connect GPIO A- signal source

3 GPIOB

GPIO B positive input GPIO B signal source GPIO B+ signal

source

4 NC GPIO B negative input no connect GPIO B- signal source

5 VCC

+5 VDC power, 100 mA maximum VCC for external contacts or other general

use.

6 NC unused no connect

7 GND Power return/signal ground GND for external contacts of other general

use.

8 GND Power return/signal ground

1 2 ... 9 10 11 12 13 14 15 16 17 18 19

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