SNAP 32-channel Digital (Discrete) Input Module, 10-32 VDC

SNAP-IDC-32
SNAP-IDC-32-FM

SNAP-IDC-32N

SNAP-IDC-32D

SNAP-IDC-32DN

Input Range

10 to 32 VDC

-10 to -32 VDC

2.5 to 12 VDC

-2.5 to -12 VDC

Nominal Voltage Range

24 VDC

-12 to -24 VDC

2.5 VDC

-2.5 VDC

Input Resistance

20 K ohms

20 K ohms

3 K ohms

3 K ohms

Logic Voltage and Current

5 VDC ± 0.1 @ 150 mA

5 VDC ± 0.1 @ 150 mA

Maximum Operating
Common Mode Voltage

250 V

250 V

250 V

250 V

Isolation: Field to Logic

1500 V

1500 V

1500 V

1500 V

Input Arrangement

32 input channels; 4 groups of 8 inputs each

32 input channels; 4 groups of 8 inputs each

Common connection

Points in each group share a common
negative connection.

Points in each group share a common
positive connection.

Points in each group share a common
negative connection.

Points in each group share a common
positive connection.

Channel-to-Channel Isola­tion

No channel-to-channel isolation;
100 V group-to-group isolation

No channel-to-channel isolation;
100 V group-to-group isolation

Hold-down screws
Connector screws

Torque: Not to exceed 1 in-lb (0.11 N-m)
Torque: 5.22 in-lb (0.59 N-m)

Torque: Not to exceed 1 in-lb (0.11 N-m)
Torque: 5.22 in-lb (0.59 N-m)

Maximum Number of HDD Modules on One Mounting Rack

16

16

16

16

Indicators

None; use optional OptoTerminal-G20 diagnostic display or breakout rack.

ON Voltage

10 VDC @ 0.5 mA

-10 VDC @ 0.5 mA

2.5 VDC @ 0.5 mA

-2.5 VDC @ 0.5 mA

OFF Voltage

3 VDC @ 0.1 mA

-3 VDC @ 0.1 mA

1 VDC @ 0.1 mA

-1 VDC @ 0.1 mA

Polling time from I/O pro­cessor to module¹

2–30 ms typical²

2–30 ms typical²

2–30 ms typical²

2–30 ms typical²

Input Turn-On/Off Time

6 ms

6 ms

6 ms

6 ms

Counting Frequency
(DC input)

0–50 Hz @ 50% duty cycle

0–50 Hz @ 50% duty cycle

0–50 Hz @ 50% duty cycle

0–50 Hz @ 50% duty cycle

Operating Temperature

-20 to 70 °C

-20 to 70 °C

-20 to 70 °C

-20 to 70 °C

Storage Temperature

-40 to 85 °C

-40 to 85 °C

-40 to 85 °C

-40 to 85 °C

Agency Approvals

UL, CE, RoHS, DFARS; UKCA

FM (-FM model only)

CE, RoHS, DFARS

CE, RoHS, DFARS

CE, RoHS, DFARS

Warranty

Lifetime

Lifetime

Lifetime

Lifetime

1 Affects turn-on and turn-off determination
2 Time varies based on the SNAP PAC I/O processor (brain or on-the-rack controller), processor configuration, and Ethernet host communication activity.