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Description
ICS Triplex T8480 Analog Output TMR 40 Channel Module
Configured for 1-22 mA field signal execution in Trusted TMR control system networks, the ICS Triplex T8480 (T8480 Analog Output TMR 40 Channel Module) provides direct physical and electrical output control for safety instrumented applications.
Hardware Specifications
Parameter
Specification
Model
T8480
Brand
ICS Triplex
Product Type
Analog Output TMR 40 Channel Module
Origin
USA
Weight
1.3 kg
Dimensions
3 x 30.2 x 26.5 cm
Operating Temp
-5 deg C to 60 deg C
Non-operating Temp
-25 deg C to 70 deg C
Humidity Range
5% to 95% non-condensing
System Supply Voltage
20 to 32 VDC
Number of Outputs
40 Channels
Output Current Range
1 to 22 mA per channel
Recommended Output Signal
4 to 20 mA
Field Supply Load
16 W at 22 mA per channel
System Supply Power
36 W at 24 VDC
Safety Architecture
Triple Modular Redundancy (TMR)
Tariff Code
8537101190
TMR Safety Output Architecture
The T8480 module uses triple modular redundancy (TMR) architecture to process analog output commands through redundant internal channels. Therefore, the module maintains output execution through voting logic and fault monitoring mechanisms.
The module provides 40 analog output channels with a 4-20 mA recommended operating range. Each channel supports controlled field current delivery between 1 and 22 mA, allowing direct interface with analog actuators and field devices.
Furthermore, the T8480 applies galvanic isolation concepts within the safety control architecture to separate field circuits from internal system electronics. This design reduces the effect of field wiring disturbances on controller operation.
The module supports fail-safe state execution through continuous diagnostic monitoring. In addition, the TMR structure allows the system to identify channel faults and maintain controlled operation according to configured safety logic.
Frequently Asked Questions
Q: What type of output signals does the T8480 provide? A: The T8480 provides 40 analog output channels with a recommended 4-20 mA current signal range and supports 1 to 22 mA operational field current.
Q: What supply voltage range does the T8480 require? A: The module operates with a system supply voltage range of 20 to 32 VDC.
Q: Does the T8480 support TMR redundancy operation? A: Yes. The T8480 uses triple modular redundancy (TMR) architecture for safety output processing and diagnostic monitoring.
Field Installation Guidelines
Install the T8480 module in the designated Trusted system chassis slot according to the controller hardware configuration requirements.
Use shielded field cables for analog current output wiring where required by the installation environment. Connect cable shields according to site grounding standards to reduce electrical interference.
Separate analog output wiring from high-voltage power cables and switching circuits. Maintain proper terminal identification during installation to prevent channel assignment errors.
Verify the system supply voltage before energizing the module. Confirm field device polarity, loop continuity, and current loop resistance before commissioning.
Follow the approved Trusted system hardware manual for module insertion, removal, diagnostics checking, and maintenance procedures.
