Triconex 3503E TMR Digital Input Module
Overview
Triconex 3503E is a TMR (triple-module redundant) digital input module with three isolated input channels. Each channel is equipped with a microprocessor that can independently scan input points, compile data, and transmit it to the main processor on demand.
The main processor performs real-time hardware voting (2oo3) on the three-channel data to correct single-channel errors. All critical signal paths from the input terminals to the main processor are tripled to avoid data loss due to single point failures.
Function&Features：
Tricnoex 3503E
- Optocoupler isolation: Each channel of the 3503E uses optocoupler isolation to achieve electrical isolation between field devices and the Tricon system.
- Channel-level diagnosis: The 3503E continuously monitors the health status of each channel and triggers the module fault indicator (Fault LED) and chassis alarm signal when a fault occurs.
- Stuck-ON Test: The 3503E simulates the OFF state through an internal switch to detect whether the input point cannot be disconnected due to hardware failure (such as contact adhesion). During the test, the I/O communication processor freezes the last valid data to avoid misoperation.
Specifications：
|
Parameter |
Value |
|
Model Number Type |
TMR with Self-Test |
|
Voltage |
24 VAC/VDC |
|
Points |
32, commoned in groups of 8 |
|
AC Range/DC Range |
20 - 42.5 VAC/VDC |
|
Frequency Range |
DC or 47 - 63 Hz |
|
Maximum Voltage |
42.5 VAC/VDC |
|
Switching Level - OFF to ON |
> 18 VAC/VDC |
|
Switching Level - ON to OFF |
< 6 VAC/VDC |
|
Nominal Turn-On |
6 - 9 mA |
|
Typical Hysteresis |
4 VAC/VDC |
|
Input Delay - OFF to ON |
< 8 ms |
|
Input Delay - ON to OFF |
< 15 ms |
|
Point Isolation |
1500 VDC |
|
Nominal Input Impedance |
> 1.25 KΩ |
Tricnoex 3503E - Q&a
FAQ
Q: What is the brand?
A: Triconex
Q: What is the type?
A: Digital Input Module
Q: What is the warranty?
A: 1 year
Q: Where is the shipping lovation?
A: Xiamen
Q: What is the payment method?
A: T/T
Q: Why choose us?
A: We are the supplier for industrial automation spare parts,We speciaized in PLC DCS and TSl system modules and spare parts for 10 years, With our professional expertise and extensive experience, we are well-equipped to meet your requirements.
Contact us
Our address
Room 1904, Building B, Diamond Coast, No. 96 Lujiang Road, Siming District, Xiamen, Fujian, China
Phone Number
+86 18059276824
sales7@nseauto.com
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