Name: T8451 ICS Triplex 24 Vdc Digital Output Module
Price: 4343 CNY
Availability: InStock

Description

T8451 ICS Triplex 24 Vdc Digital Output Module

DESCRIPTION
The TrustedTM TMR 24V dc Digital Output Module interfaces to 40 field output devices. Outputs are arranged in five groups of eight outputs. All outputs in a group share a common power source and return. Fault tolerance is achieved through Triple Modular Redundancy (TMR) within the same module for each of the 40 output channels.

T8451 ICS Triplex 24 Vdc Digital Output Module

The module provides on-board Sequence of Events (SOE) reporting with a resolution of 1ms. The “event” is the actual sensing of the field device loop current. Each triplicated section (slice) of the module, receives output data from the TrustedTM TMR Processor and sends its data to an internal safety layer hardware voter. Each slice uses the voted data to control the outputs.Every output channel consists of a six-element voted array. The output switch array provides fault tolerant,
uninterrupted control under an output switch failure condition. Output switching and fault diagnostics comply with the demanding requirements of IEC-61508 SIL-3 for First Fault – Fault Tolerant, and Second Fault – Fail Safe outputs.When a module fault is detected, theTrusted TM TMR Processor will flag the unhealthy condition, indicating the need to replace the module. Control continues until a replacement (healthy) module is available.Replacement modules can be located in a standby slot next to the module or in a designated SmartSlot with a temporary connection to the same TrustedTM Termination Assembly.Each output is user configurable to perform line monitoring of the connected field devices to detect field wiring and load failures. Automatic over-current protection is inherent in every output circuit which eliminates the need for fuses. Modules may be placed in any I/O module slot in a TrustedTM Processor Chassis or Expander chassis. Once the I/O module configuration is set,mechanical keying is available on all I/O modules to prevent inserting a module into an incorrect slot.

T8451 ICS Triplex 24 Vdc Digital Output Module

MECHANICAL SPECIFICATION
Dimensions (HxWxD):241mm x 30mm x 300mm
(9.5ins x 1.2ins x 11.8ins)
Weight:1.13kg(2.5lbs)
Operating Temperature:-5°C to 60°C(23°F to 140°F)
Continuous 2A
Output Off Resistance (effectiveleakage) 33k=
Power Consumption (1A per channel) 24W
Output Turn On/Off Delay 0.5ms
Self-Test Internal 2 minutes

T8451 ICS Triplex 24 Vdc Digital Output Module

T8451 ICS Triplex 24 Vdc Digital Output Module PDF

T8451

T8451 ICS Triplex 24 Vdc Digital Output Module

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