Specifications, Trusted, Module t8471 – Rockwell Automation T8471 Trusted TMR 120V dc Digital Output Module - 32 Channel User Manual

Page 31

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Trusted

TM

Module T8471

Issue 14 Apr 10

PD-T8471

31

6. Specifications

System Supply Voltage Range

20 to 32Vdc

Circuit Type

Fault tolerant, fully triplicated with optional line
monitoring

Number of Outputs

32 Channels

Independent Power Groups

4 each of 8 outputs

Operational Output/Field Voltage Range

1 to 130V dc (Pre Build Revision J35)
1 to 150V dc (Build Revision J35 and later)

(Voltages below about 35V will be switched properly
but not registered as healthy)

Output Voltage

Measurement Range

150V dc

Maximum Withstanding

200V dc

Output Current Rating

Continuous ( Imax per channel )

Continuous ( Imax per power group )


0.5A
2A

Maximum capacitance

Pre release 3.5: 30-55uF
Release 3.5: at least 3600uF at 0.5A

Flashing/pulsing current loads

Release 3.5 is recommended

Minimum On State Load Current

20mA

Output Off State Resistance (effective leakage)

330kL

Output On State resistance

0.8L

Output Short Circuit Protection

Electronic (latching)

Channel to Channel Crosstalk

>-40dB

Power Consumption

Field Supply (1A per channel)

System Supply (24V)


24W
24W

Field Common Isolation

Sustained Working

Maximum Withstanding


±250V dc
±2.5kV dc

Output Turn-on/off Delay

0.5ms

Sample Update Time

0.5ms

Sequence of Events

Event Resolution

Time-stamp Accuracy


1ms
±0.5 ms

Self-Test Interval

2 minutes

Intrinsic Safety

External barrier

Output Short Circuit Protection

Automatic

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

5 – 95% RH non-condensing

Environmental Specifications

Refer to Document 552517

Dimensions

Height

Width

Depth


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

Weight

1.342kg (3lbs)

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