SNAP Digital Input Modules

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Specifications: DC Input Modules

See page 7 for SNAP-IDC5-SW and SNAP-IDC5-SW-NC specifications and wiring.

SNAP-IDC5

SNAP-IDC5D

SNAP-IDC5G

SNAP-IDC5-HT

Key Feature

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Leakage-tolerant

Field Side Ratings (each channel)

Nominal Input Voltage

24 VAC/VDC

5 VDC

48 VAC/VDC

24 VAC/VDC

Channel-to-channel isola-

tion

300 VAC

(1,500 V transient)

300 VAC

(1,500 V transient)

300 VAC

(1,500 V transient)

300 VAC

(1,500 V transient)

Input Voltage Range

10–32 VAC/VDC

2.5–28 VDC

35–75 VAC/VDC

15–32 VAC/VDC

Turn-on Voltage

10 VAC/VDC

2.5 VDC

35 VAC/VDC

15 VAC/VDC

Turn-off Voltage

3 VAC/VDC

1 VDC

7 VAC/VDC

8 VAC/VDC

Input Resistance

15 K ohms (nominal)

3 K ohms (nominal)

64 K ohms (nominal)

3 K ohms (nominal)

Logic Side Ratings

Logic Output Voltage

<.5 V max. (on)

@ 2 mA sinking

2.7 V min. (off)

@ 0.4 mA sourcing

<.5 V max. (on)

@ 2 mA sinking

2.7 V min. (off)

@ 0.4 mA sourcing

<.5 V max. (on)

@ 2 mA sinking

2.7 V min. (off)

@ 0.4 mA sourcing

<.5 V max. (on)

@ 2 mA sinking

2.7 V min. (off)

@ 0.4 mA sourcing

Logic Supply Voltage***

5 VDC ± 0.25 VDC

5 VDC ± 0.25 VDC

5 VDC ± 0.25 VDC

5 VDC ± 0.25 VDC

Logic Supply Current

50 mA maximum

50 mA maximum

50 mA maximum

50 mA maximum

Negative True Logic Out-

put Drive

TTL 74 Series = 1 UL

TTL 74LS Series = 5 UL

TTL 74 Series = 1 UL

TTL 74LS Series = 5 UL

TTL 74 Series = 1 UL

TTL 74LS Series = 5 UL

TTL 74 Series = 1 UL

TTL 74LS Series = 5 UL

Module Ratings

Number of Channels Per

Module

4

444

Turn-on Time

5 msec

1 msec

5 msec

20 msec

Turn-off Time

15 msec

1 msec

15 msec

25 msec

Optical Isolation

(Field Side to Logic Side)

4,000 volts (transient)

4,000 volts (transient)

4,000 volts (transient)

4,000 volts (transient)

Temperature

0 °C to 70 °C, operating

-30 °C to 85 °C, storage

0 °C to 70 °C, operating

-30 °C to 85 °C, storage

0 °C to 70 °C, operating

-30 °C to 85 °C, storage

0 °C to 70 °C, operating

-30 °C to 85 °C, storage

* At 20kHz, 5Vp-p square wave input, 50% duty cycle.

** At 20kHz, 28Vp-p square wave input, 50% duty cycle.

*** When used with an I/O processor (brain or on-the-rack controller), the processor requires 5.0 to 5.2 VDC.