SNAP-IAC-16 SNAP isolated 16-pt digital input module, 90-140 VAC/VDC |
counting and latching.
For field wiring, use the SNAP-HD-ACF6 wiring harness assembly with flying leads.
Part of the SNAP PAC System, the module mounts on a SNAP PAC rack with a SNAP PAC brain or rack-mounted
controller. Analog, digital, and serial I/O modules can all be on the same rack. Such an I/O unit is also well suited for PC-
based control or for use as intelligent remote I/O for an Allen-Bradley MicroLogix or other RSLogix-based PLC system,
such as ControlLogix or CompactLogix.
The SNAP-IAC-16 cannot be used with legacy brains.
SNAP-IDC-16 | SNAP-IDC-HT-16 | SNAP-IAC-16 | SNAP-IAC-A-16 | SNAP-IAC-K-16 | |
Input Range | 10–32 VDC/VAC | 15–28 VDC/VAC | 90–140 VAC/VDC | 180–280 VAC/VDC | 70–130 VAC/VDC |
Nominal Voltage Range | 24 VDC | 24 VDC | 120 VAC | 240 VAC | 100 VAC |
Input Resistance | 44 K ohms | 4 K ohms | 300 K ohms | 940 K ohms | 220 K ohms |
Logic Voltage and Current | 5 VDC ± 0.1 @ 150 mA | 5 VDC ± 0.1 @ 150 mA | 5 VDC ± 0.1 @ 150 mA | 5 VDC ± 0.1 @ 150 mA | 5 VDC ± 0.1 @ 150 mA |
Input Arrangement | 16 isolated input channels | 16 isolated input channels | 16 isolated input channels | 16 isolated input channels | 16 isolated input channels |
Channel-to- Channel Isolation | 250 V steady- state, 1500 V transient | 250 V steady- state, 1500 V transient | 250 V steady- state, 1500 V transient | 250 V steady- state, 1500 V transient | 250 V steady- state, 1500 V transient |
Maximum Number of HDD Modules on One Mounting Rack | 16 | 16 | 16 | 16 | 16 |
Indicators | None; use optional OptoTerminal-G20 diagnostic display. | None; use optional OptoTerminal-G20 diagnostic display. | None; use optional OptoTerminal-G20 diagnostic display. | None; use optional OptoTerminal-G20 diagnostic display. | None; use optional OptoTerminal-G20 diagnostic display. |
ON Voltage | 10 VDC @ 0.230 mA | 15 VDC @ 3.50 mA | 90 VAC/VDC @ 0.3 mA | 180 VAC/VDC @ 0.191 mA | 70 VAC/VDC @ 0.3 mA |
OFF Voltage | 3 VDC @ 0.05 mA | 9 VDC @ 2.0 mA | 40 VAC/VDC @ 0.135 mA | 40 VAC/VDC @ 0.043 mA | 30 VAC/VDC @ 0.135 mA |
Torque, hold- down screws | 4 in-lb (0.45 N-m) | 4 in-lb (0.45 N-m) | 4 in-lb (0.45 N-m) | 4 in-lb (0.45 N-m) | 4 in-lb (0.45 N-m) |
Torque, connector screws | 5.26 in-lb (0.6 N-m) | 5.26 in-lb (0.6 N-m) | 5.26 in-lb (0.6 N-m) | 5.26 in-lb (0.6 N-m) | 5.26 in-lb (0.6 N-m) |
Polling time from I/O processor to module1 | 2–30 ms typical2 | 2–30 ms typical2 | 2–30 ms typical2 | 2–30 ms typical2 | 2–30 ms typical2 |
Input Turn-On/Off Time | 15 ms turn-on time 20 ms turn-off time | 15 ms turn-on time 20 ms turn-off time | 15 ms turn-on time 20 ms turn-off time | 15 ms turn-on time 20 ms turn-off time | 15 ms turn-on time 20 ms turn-off time |
Counting Frequency (DC input) | 0–25 Hz @ 50% duty cycle | 0–15 Hz @ 50% duty cycle | 0–25 Hz @ 50% duty cycle | 0–25 Hz @ 50% duty cycle | 0–25 Hz @ 50% duty cycle |
Agency Approvals | UL, CE, RoHS, DFARS | UL, CE, RoHS, DFARS | UL, CE, RoHS, DFARS | UL, CE, RoHS, DFARS | UL, CE, RoHS, DFARS |
Warranty | Lifetime | 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. |
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