Ssr-Iac-5, 120 Vac; Ssr-Iac-5A, 240 Vac; Figure 4-1. Ssr-Iac Ac Input Diagram - NI SC-2311 User Manual

Chapter 4 SSR Series Modules

SSR-IAC-5, 120 VAC

The SSR-IAC-5 input module senses 90–140 VAC/DC from a field source
and converts it into a TTL logic signal. When a signal in this voltage range
is detected at its input, the SSR generates a logic low signal on the
corresponding DIO line of the E Series DAQ device. Otherwise, the SSR
returns a logic high signal. Figure 4-1 shows the SSR-IAC circuit diagram.
You can insert and use the SSR-IAC-5 in any of the eight SSR sockets
inside the SC-2311.

SSR-IAC-5A, 240 VAC

The SSR-IAC-5A input module senses 180–280 VAC/DC from a field
source and converts it into a TTL logic signal. When a signal in this voltage
range is detected at its input, the SSR generates a logic low signal on the
corresponding DIO line of the E Series DAQ device. Otherwise, the SSR
returns a logic high signal. Figure 4-1 shows the SSR-IAC circuit diagram.
You can insert and use the SSR-IAC-5A in any of the eight SSR sockets
inside the SC-2311.
SC-2311 User Manual
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Rx
1
VAC
2
+V cc Input
Voltage
3
Hysterisis Circuit
Current
Regulating
Output
4
Ground
5

Figure 4-1. SSR-IAC AC Input Diagram

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