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Allen-Bradley 1794-IA8 nonisolated AC digital input module

Allen-Bradley 1794-IA8
Allen-Bradley 1794-IA8
Allen-Bradley 1794-IA8

Allen-Bradley 1794-IA8 nonisolated AC digital input module

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ALLEN-BRADLEY
FLEX I/O
1794-IA8
 
8 Point Digital
AC Input Module
INPUT CLASS
120V AC
FLEX / AC / 08 PT
 
DIGITAL AC INPUT / FIELD SIGNAL
 
CHANNELS
08
digital inputs
 
 
ON-STATE RANGE
65–132
V AC
◌
INPUT
12 mA
@ 120V AC
 
 
 
INPUT IMPEDANCE
10.6 kΩ
OPERATING TEMPERATURE
0–55°C
The 1794-IA8 provides eight nonisolated 120V AC digital input points for the FLEX I/O platform, with a nominal input current of 12 mA at 120V AC.
 
 
 
 
 
 
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AMIKON / FLEX I/O PRODUCT SYSTEM AMIKON CONTACT FAQ MODELS
 
 
 
ALLEN-BRADLEY / 1794 FLEX
1794-IA8
8 Point Digital AC Input Module
120V AC · FLEX I/O · Nonisolated Input Channels
 
The 1794-IA8 provides eight digital AC input points within the FLEX I/O platform. Its 120V AC input category and compact distributed-I/O architecture make it suitable for field signal acquisition where eight nonisolated AC input points are required.
FLEX / AC INPUT / 08 CHANNELS
 
 
CORE VALUES
POINT COUNT
08
digital inputs
INPUT CLASS
120V AC
nominal category
IMPEDANCE
10.6 kΩ
rated input impedance
OPERATING RANGE
65–132V AC
RATED CURRENT
12 mA
FREQUENCY
60 Hz
TEMPERATURE
0–55°C
01 / FIELD SIGNAL
AC Detection
The 1794-IA8 is designed around the 120V AC digital input category. Its specified minimum on-state voltage is 65V AC, while the maximum on-state voltage is 132V AC.
SIGNAL WINDOW
65 → 132V
◌
02 / INPUT CHARACTER
Eight Channels
INPUTS
8 points
CHANNEL TYPE
Nonisolated
The module provides eight AC input points. Individual channels are not isolated from one another, which is an important electrical consideration when matching a replacement.
03 / FLEX PLATFORM
Distributed I/O
FLEX I/O provides modular distributed I/O functionality in a compact architecture. The 1794-IA8 is installed with a compatible terminal base and used as an input module within the FLEX system.
COMPATIBLE BASE FAMILY
1794-TBN · 1794-TB2 · 1794-TB3 · 1794-TB3S
SYSTEM POSITION
Choose by Signal Architecture
TARGET
1794-IA8
8-point, 120V AC digital input module.
→
SAME AC INPUT FAMILY
1794-IA8I
Also eight 120V AC inputs, but the IA8I provides individually isolated inputs.
HIGHER POINT COUNT
1794-IA16
A 16-point 120V AC digital input option when more input points are required.
1794-IA8
8 inputs / nonisolated
1794-IA8I
8 inputs / individually isolated
1794-IA16
16 inputs / nonisolated
 
 
 
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At AMIKON, our mission is to support a sustainable and efficient global industrial supply chain.
As a global distributor with an inventory of more than one million hard-to-find industrial parts, we help system integrators and suppliers reduce unexpected shortages and extended lead times. Long-term industrial asset partnerships across multiple industries enable us to support customers seeking new, discontinued and difficult-to-source industrial parts, equipment and machinery.
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Need a 1794-IA8?
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PURCHASE DECISION POINTS
1794-IA8 FAQ
01 / Does the 1794-IA8 work with a 120V AC field circuit that normally operates below 120V?
The 1794-IA8 is a 120V AC input module with a specified operating range of 65–132V AC. A field circuit should therefore be evaluated against the actual input voltage and switching thresholds rather than only its nominal supply label.
02 / When would the 1794-IA8I be considered instead of the 1794-IA8?
Both are eight-point 120V AC FLEX input modules, but the 1794-IA8 does not provide isolation between individual channels, while the 1794-IA8I provides individually isolated inputs. The isolation requirement of the application is therefore a key selection factor.
03 / What should be checked when replacing an existing 1794-IA8 in a running FLEX I/O station?
Check the signal voltage category, number of points, isolation requirement, terminal-base arrangement and controller configuration. A replacement should match the electrical function of the installed module rather than being selected only from the same product family.
04 / Can the 1794-IA16 replace the 1794-IA8 when the application has eight AC signals?
The 1794-IA16 belongs to the same 120V AC digital input family but provides 16 input points rather than 8. Before substitution, the physical configuration, terminal-base arrangement and controller-side configuration should be checked for the installed FLEX station.
05 / What makes the 1794-IA8 different from the 1794-IM8 for replacement planning?
The 1794-IA8 is a 120V AC digital input module, while the 1794-IM8 is designed for the 240V AC category. Their field-voltage ranges are therefore different, so the actual AC signal level is a critical point when evaluating interchangeability.
AFTER-SALES
Return Support
Contact us within 7 days after receiving the item if any issue occurs.
Returned items should remain in original condition with the specific reason for return.
After the return is received and reviewed, a return or replacement can be arranged. Return shipping costs are the buyer's responsibility.
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1794-IA8
FLEX I/O
AMIKON LIMITED
Industrial Automation Parts · Global Supply · Customer Support
Miya zheng · sales@amikon.cn · 86-18020776792
Hot Tags : Allen-Bradley 1794-IA8 AB 1794-IA8 1794-IA8 FLEX I/O 1794-IA8 datasheet 1794-IA8 manual 1794-IA8 pdf
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