Allen-Bradley 1794-IM8 FLEX I/O 220V AC Digital Input Module

Specifications

220V AC Input Module 1794-IM8

Attribute	Value
Number of inputs	8, nonisolated
Recommended terminal base unit	1794-TBN, 1794-TBNK
Module mounting	See Figure 1 on page 9
On-state voltage	Min: 159V AC Nom: 240V AC Max: 264V AC
On-state current	Min: 5.27 mA Max: 13.21 mA
Off-state voltage, max	40V AC
Off-state current, max	2.6 mA
Nominal input impedance	22.3 kΩ
Nominal input current	12 mA @ 240V
Isolation voltage	250V (continuous), Basic Insulation Type, field side to backplane Type tested @ 1530V AC for 60 s No isolation between individual channels
Input filter time(1)	See below
Input Off-to-On filter time	The time from a valid input signal to recognition by the module.
Input On-to-Off filter time	The time from the input signal dropping below the valid level to recognition by the module.

General Specifications

Attribute	1794-IM8
Terminal base screw torque	Determined by the installed terminal base
Dimensions (H x W x D)	94 x 94 x 69 mm (3.7 x 3.7 x 2.7 in.)
Indicators (field side)	8 yellow status indicators (customer device driven)
External AC power supply voltage, nom	240V AC
External AC power supply input frequency	47…63 Hz
External AC power voltage range	159…264V AC (See derating charts on page 9)
North American temperature code	T4
Keyswitch position	8
Enclosure type rating	None (open-style)
Weight, approx.	100 g (3.53 oz)
Wire size	Determined by the installed terminal base
Wiring category(1)	2 – on signal ports

Note: For detailed conductor routing, refer to the appropriate System Level Installation Manual and the Industrial Automation Wiring and Grounding Guidelines.

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