Rockwell Automation T8449 Trusted TMR 24V dc Valve Monitor Module - 40 Channel - Manual (Page 44)

Trusted
TM
Module T8449
Issue 13 Apr 10 PD-T8449 44
7. Specifications
Common Features
System Supply Voltage 20-32V dc
Circuit Type Fault tolerant, fully triplicated with optional line
monitoring
Number of Channels 40 Channels
Independent Power Groups 5 each of 8 channels (4 inputs, 4 outputs)
Power Consumption
System Supply (24V)
24W
Field Common Isolation
Sustained Working
Maximum Withstanding
±250Vdc
±2.5kVdc
Output Channel Specifications
Operational Output/Field Voltage Range 18 to 32Vdc
Output Voltage
Maximum Withstanding -1 to 40Vdc
Output Current Rating (Continuous) 2A per channel
limited to 8A per power group
Maximum capacitance Pre release 3.5: 30-55uF
Release 3.5: at least 2800uF at 2A
Flashing/pulsing current loads Release 3.5 is recommended
Minimum On State Load Current 50mA
Output Off State Resistance (effective leakage) 33kV
Output On State resistance 0.6V
Output Short Circuit Protection Electronic (latching)
Channel to Channel Crosstalk >-40dB
Output Short Circuit Protection Automatic
Measurement Range 0 to 32Vdc
Output Turn-on/off Delay 0.5ms
Input Mode
Input Impedance 33kV
Input Analogue Resolution 20mV
Input Analogue accuracy 0 to VFIELD-4V = 0.5% Full Scale (0.12V @ 24V
Full Scale).
VFIELD – 4V to VFIELD = 2% Full Scale (0.48V @
24V Full Scale).
(Build D38 may have up to +0.6V offset)
Sequence of events
Sample Update Time 0.5ms
Event Resolution 1ms
Self-Test Interval 2 minutes
Environmental
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
Mechanical
Dimensions
Height
Width
Depth
266mm 10.5ins)
30mm (1.2ins)
303mm (12ins)
Weight 1.30kg (2.7lbs)
System Supply Voltage Range 20 to 32Vdc