
SDS-8424
Trusted
TM
Industrial Control System
Trusted
TM
TMR 120V ac Digital Input Module-T8424
ICS Triplex
Technical data sheets are intended for
information and guidance. The Company
has a policy of continual product
development and improvement.
Specifications are subject to change
without notice. For latest information, visit
our Website:- www.icstriplex.com
BLOCK DIAGRAM
ELECTRICAL SPECIFICATION
Number of Inputs
40 Channels
Field Common Isolation
Sustained Working ±250V dc
Maximum Withstanding ±2.5kV dc
Input Voltage
Measurement Range 150V ac
Maximum Withstanding 250V ac RMS or dc
Channel Input Resistance
25k:
Power Consumption
15 to 18W
Sample Update Interval (no
filter)
5ms
Self-Test Interval
2 minutes
Sequence of Events
Event Resolution 1ms
Time-stamp Accuracy ±0.5ms
Thresholds
Turn-on Voltage 82V ±10%
Turn-off Voltage 26V ±10%
Fusing
50mA on T8823 FTA
Intrinsic Safety
External barrier
Circuit Type
Fault tolerant, fully triplicated
MECHANICAL
SPECIFICATION
Dimensions (HxWxD):
241mm x 30mm x 300mm
(9.5ins x 1.2ins x 11.8ins)
Weight:
1.13kg
(2.5lbs)
ENVIRONMENTAL
Operating Temperature:
-5°C to 60°C
(23°F to 140°F)
Operating Humidity:
5 to 95%, non-
condensing
Vibration:
10 to 57Hz ±0.075mm
57 to 150Hz 1.0g
Shock:
15g, ½ sine wave, 11ms
EMI (IEC 801):
ESD
Air discharge to 15kV
Contact discharge to 8kV
Radiated Fields
10V/m, 27MHz to
500MHz
Transients and Bursts
2kV, 2.5kHz for
t=60 seconds
FTA
Input
Field
Device
Field Termination Unit (FTU)
SLICE A
IMB A
FRONT PANEL
A/D
CONVERTER
FIELD LOGIC
CONTROL
ISOLATION BARRIER
SLICE POWER
SUPPLY
HOUSEKEEPING
FIU
SLICE CONTROL A
TIME STAMP
BUS INTERFACE
HOUSEKEEPING
MODULE TEMP
SUPPLY DIAG
DSP REFERENCE
REDUNDANT
SUPPLY
24V1 24V2
HIU POWERFIU POWER
FRONT PANEL
VOTING LOGIC
SLICE B
SLICE C
SERIAL DISPLAY LATCHES
VOTED STATUS DISPLAY LEDs
HEALTH
INDICATORS
SLICE B
SLICE C
IMB B
IMB C
HIU
VAC
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