Rockwell Automation T8444 Trusted TMR Pulse Generator and Monitoring Module - Manual (Page 44)

Trusted
TM
Module T8444
Issue 09 Apr 10 PD-T8444 44
7. Specifications
System Supply Voltage 20-32Vdc
Circuit Type Fault tolerant, fully triplicated with optional
line monitoring
Number of Channels 40 Channels
Independent Power Groups 5 each of 8 outputs
Operational Output/Field Voltage Range 18 to 60V dc
Output Voltage
Measurement Range 0 to 60V dc
Maximum Withstanding -1 to 60V dc
Output Current Rating (Continuous) 0.75A per channel
limited to 6A per power group
Minimum On State Load Current 25mA
Output Off State Resistance (effective
leakage) 33kL
Maximum capacitance Pre release 3.5: 30-55uF
Release 3.5: at least 2800uF
Output On State resistance 0.6L
Output Short Circuit Protection Electronic (latching)
Channel to Channel Crosstalk >-40dB
Output Short Circuit Protection Automatic
Input Measurement Range -20 to +28V Limited by A/D range.
Input Impedance 50K ohms
Power Consumption
Field Supply (1A per channel)
System Supply (24V)
24W Dissipated in field device
22W Dissipated in the module
Field Common Isolation
Sustained Working
Maximum Withstanding
±250V dc
±2.5kV dc
Output Turn-on/off Delay 1.0ms
Sample Update Time 1.0ms
Sequence of Events
Event Resolution
1ms
Self-Test Interval 2 minutes
Intrinsic Safety External barrier
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 1.285kg (2.8lbs)