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1794-IB8 AB Allen-Bradley PLC Digital DC Input Module 8 Current Sinking 1794 Series Original brand new1794-IB8 AB PLC Digital DC Input Module 8 Current Sinking 1794 Series Original brand new
Features
Modules are available in densities ranging from 8 to 32 points.Digital I/O modules cover a wide electrical range: 120V AC: input, output and isolated input, output modules; 8 and 16 point220V AC: input and output modules; 8 and 16 point5V DC: TTL input and output modules, 16 point24V DC: input, output, and combination modules; sink or source; protected; electronically fused; diagnostic; 8, 16, and 32 point48V DC: sink input, source output modules; 16 point125V DC: sink input module; 16 pointRelay: sink/source, 8 pointIsolated inputs and outputs can be used in applications such as motor control centers, where individual control transformers are used.Protected (P) outputs have electronic protection, which acts to shut the module down in reaction to a short circuit, overload, or over-temperature condition. Recovery from shutdown is automatic upon removal of the output fault. No fault status is provided to the processor.Electronic fused (EP) module acts to open the output when a fault occurs. The "fuse" can be reset by operating a pushbutton, via software, or by cycling the input power. Fault status is provided to the processor.Diagnostic (D) modules detect, indicate, and report the following faults: open input or output field devices or wiringshorted output field devicesshorted input or output wiringreverse polarity of user supply wiringSelectable input filter times from <1…60 ms.LED for each channel indicating status of: corresponding input deviceoutput signalConformal coated (K) versions of standard modules.Extreme environment (XT) versions of standard modulesFLEX Digital DC Input Modules
Cat. No.
Number of Inputs
Voltage, On-State Input, Nom.
Voltage Range, On-State Input
Current, Off-State Input
Power Dissipation, Max.
Terminal Base Unit
1794-IG16
16 TTL
0V
-0.2V DC…0.8V DC
4.1 mA at 5V DC (3.7 mA nom) max
1.4 W at 5.5V DC
1794-TB3, 1794-TB3S
1794-IB8
8 current sinking
24V DC
10V DC…31.2V DC
1.5 mA min
3.5 W at 31.2V DC
1794-TB3, 1794-TB3S
1794-IB16
16 current sinking
24V DC
10V DC…31.2V DC
1.5 mA min
6.1 W at 31.2V DC
1794-TB3, 1794-TB3S
1794-IB16XT
2 W at 31.2V DC
1794-TB3, -TB3S, TB3SK
1794-IB16D
10V DC…31.2V DC
8.5 W at 31.2V DC
1794-TB32, 1794-TB32S
1794-IV16
16 current sourcing
24V DC
10V DC…31.2V DC
1.5 mA min
5.7 W at 31.2V DC
1794-TB2, 1794-TB3, 1794-TB3S, 1794-TBK
1794-IB32
32 current sinking (2 groups of 16)
24V DC
19.2V DC…31.2V DC
1.5 mA min
6.0 W at 31.2V DC
1794-TB32, 1794-TB32S
1794-IV32
32 current sourcing(2 groups of 16)
24V DC
19.2V DC…31.2V DC
1.5 mA min
6.0 W at 31.2V DC
1794-TB32, 1794-TB32S
1794-IC16
16 current sinking
48V DC
30V DC…60V DC
1.5 mA min
6.4 W at 60V DC
1794-TB3, 1794-TB3S
1794-IH16
16 current sinking
125V DC
90V DC…146V DC
0.8 mA min
6 W at 146V DC
1794-TB3, 1794-TB3S
Catalog numbers ending in: (K) = Conformal Coated, (D) = includes diagnostics, (XT) extreme environment.
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