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Allen-Bradley 1746-OW16 SLC 500 16-Point Relay Output Module

Allen-Bradley 1746-OW16
Allen-Bradley 1746-OW16
Allen-Bradley 1746-OW16

Allen-Bradley 1746-OW16 SLC 500 16-Point Relay Output 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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SLC 500 • 16-Point Relay Output
Allen-Bradley 1746-OW16 | SLC 500 16-Point Relay Output Module
Application Position
The 1746-OW16 is a 16-channel relay output module for the SLC 500 platform. It provides contact outputs suitable for AC or DC loads and uses grouped commons for practical field wiring.
Designed around the modular SLC 500 architecture, with the exact electrical role determined by the catalog number and installed system configuration.
CORE ENGINEERING PROFILE
Module type SLC 500 digital output module; relay contact output
Number of channels 16 relay output channels
Output signal range 5…125 V DC or 5…265 V AC
Contact arrangement Eight points per common group; two output common groups
Minimum load 10 mA at 5 V DC
Maximum signal delay 10 ms on / 10 ms off with a resistive load
Off-state leakage 0 mA maximum
Backplane consumption 0.085 A at 5 V DC; 0.180 A at 24 V DC
Isolation 500 V DC communication-circuit isolation; relay contacts provide the switching interface
Platform Allen-Bradley SLC 500 1746 I/O family
For replacement or expansion work, verify the existing SLC chassis, processor/I/O addressing, field voltage, common grouping, load current and suppression requirements before energizing the circuit.
FAMILY / SYSTEM RELATIONSHIP
Where 1746-OW16 fits in the SLC 500 architecture
The 1746-OW16 belongs to the relay-output branch of the 1746 SLC I/O family. Compared with 1746-OB16/OB32 solid-state DC outputs, it is intended for contact switching across a wider AC/DC load range. Compared with the 1746-OW8, it doubles the available relay points from 8 to 16. Its grouped commons make terminal planning important when loads have different supply potentials. Selection lens
For replacement or expansion work, verify the existing SLC chassis, processor/I/O addressing, field voltage, common grouping, load current and suppression requirements before energizing the circuit.
◌ 1746 I/O   •   SLC 500 backplane   •   modular control architecture   •   field wiring compatibility ◌
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Need a confirmed part match or urgent quotation?
SALES MANAGER
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EMAIL
sales@amikon.cn
PHONE / WHATSAPP
+86 180 2077 6792
For quotation requests, please provide part number, quantity, destination, required date and machine/system application when available.
After-receipt care: Please contact us within 7 days of receiving the item if a question arises. Returned items should remain in original condition with a specific return reason. A return or replacement can be arranged after the returned item is received. Shipping costs associated with the return are the buyer's responsibility.
Purchase-Focused FAQ
Q1. Allen-Bradley 1746-OW16 — Why choose 1746-OW16 when the load is not strictly 24 V DC?
Its relay contacts can switch specified AC or DC load voltages, making it useful where a project contains mixed load types. The actual load current and contact-rating limits must still be checked against the application.
Q2. Allen-Bradley 1746-OW16 — Can 1746-OW16 switch different voltages on every point?
The outputs are grouped by commons, so the field wiring arrangement must respect the common grouping. A mixed-voltage design should be checked against the terminal and contact-rating requirements before installation.
Q3. Allen-Bradley 1746-OW16 — Is 1746-OW16 a faster choice than a solid-state SLC output?
No. For a resistive load, the specified maximum signal delay is 10 ms for both turn-on and turn-off. Selection should therefore be based on load type and switching requirements rather than assuming relay operation is faster.
Q4. Allen-Bradley 1746-OW16 — What should be checked when replacing an older 1746-OW16?
Confirm the exact catalog number and series, terminal arrangement, common grouping, load voltage/current, suppression provisions and the SLC chassis slot configuration before exchanging the module.
Q5. Allen-Bradley 1746-OW16 — Why can 1746-OW16 be preferable to a DC transistor output?
A relay output can accommodate AC as well as DC loads within its ratings, while common SLC transistor outputs are designed for DC switching. That distinction can simplify interfaces to some legacy AC devices.
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AMIKON • Industrial Automation Parts Supply • SLC 500 Support
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