Measurement-computing PPIO-DIO24H Manual de usuario descargar pdf (Pagina 8)

The voltages and currents associated with external devices range from less than a

hundred mA at a few volts for a small flash light bulb to 50 Amps at 220 volts for a

large electric range. Attempting to connect either of these devices directly to the

PPIO-DIO24H would destroy the I/O chip. In these cases, external relays must be

used.

3.4 CONNECTOR DIAGRAM

The PPIO-DIO24H field I/O connector is a

37-pin, D-type connector accessible through

the top cover of the PPIO (Figure 3-2).

The connector accepts female 37-pin, D-type

connectors, such as those on the C37FF-2, a 2

foot cable with connectors.

If frequent changes to signal connections or

signal conditioning is required, please refer to

the information on the CIO-TERMINAL and

CIO-MINI37 screw terminal boards. Contact

Customer Support for assistance in this

important area.

Figure 3-2. I/O Connector

PA0

PA1

PA2

PA3

PA4

PA5

PA6

PA7

PC0

PC1

PC2

PC3

PC4

PC5

PC6

PC7

GND

+5V

GND

+5V

GND

PB0

PB1

PB2

PB3

PB4

PB5

PB6

PB7

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

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