Specifications, Trusted, Module t8431 – Rockwell Automation T8431 Trusted TMR 24Vdc Analogue Input Module - 40 Channel User Manual

Page 31

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Trusted

TM

Module T8431

Issue 16 Sep 11

PD-T8431

31

6. Specifications

System Supply Voltage Range

20 to 32V dc

Number of Inputs

40 Channels

User Defined Thresholds

4-off

Input Current Range

0-22mA

Input Voltage Range

0-6 Vdc

Sample Update Time

0.5ms

Resolution

3.9uA (1/256mA)

Safety Accuracy

+/- 1% of full scale

(default threshold above which 0x70nn series slice discrepancy faults are raised)
Calibration Accuracy

0.03%

Recommended input channel calibration check
interval

2 years

Circuit Type

Fault tolerant, fully triplicated with
optional line monitoring

Fusing

None, external if required

Intrinsic Safety

External barrier

Sequence of Events

Event Resolution

Time-stamp Accuracy


1ms
±0.5 ms

Field Common Isolation

Sustained Working

Maximum Withstanding


±250V dc
±2.5kV dc

Channel to Channel Crosstalk

-40 to –60 dB

Power Consumption

15 – 18W

Self-Test Interval

2 minutes

Operating Temperature

-5

°C to 60°C (23°F to 140°F)

Non-operating Temperature

-25

°C to 70°C (-13°F to 158°F)

Temperature change

0.5ºC/min

Operating Humidity

10 – 95% RH non-condensing

Environmental Specifications

Refer to Document 552517

Dimensions

Height

Width

Depth


266mm (10.5ins)
31mm (1.2ins)
303mm (12ins)

Weight

1.149kg (2.5lbs)

Real Time Clock Resolution

100

µSec

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