Mts Model FlexTest SE Manual do Utilizador descarregar pdf (Página 142)

Models FlexTest® IIm/GT/SE Controller Hardware

Digital I/O Connections

FlexTest GT Controller Connections

142

Digital inputs The J3 In connector accommodates up to sixteen digital signals from external

devices. You can use digital input signals to trigger test events with your

controller applications.

• All of the inputs are optically isolated and support relay contacts or logic

inputs (see the following figure).

• Channel inputs can be 3 volts (minimum) and 26 volts (maximum) from an

external voltage source.

• Jumpers select the debounce time for each group of four inputs.

Jumper X2 configures inputs 1–4. Jumper X3 configures inputs 5–8. Jumper

X4 configures inputs 9–12. Jumper X5 configures inputs 13–16.

– Not using a jumper sets the debounce to 20 msec.

– Jumper pins 1 and 4 to set the debounce to 10 msec.

– Jumper pins 2 and 3 to set the debounce to 1 msec.

– Jumper pins 1 and 4, and 2 and 3 to set the debounce to 0.1 msec.

+CH1

-CH1

+12

+CH1

-CH1

+12

External Switch

Relay Contact

External Device

Digital I/O

Access Panel

Digital I/O

Access Panel

493.72 Digital I/O

Transition Module

Opto-

Coupler

493.72 Digital I/O

Transition Module

Opto-

Coupler

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Mts Model FlexTest SE Manual do Utilizador Página 142