GE GFK-2958E, User Manual

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Chapter 5 Detailed Descriptions of I/O Modules
GFK-2958E RSTi-EP User Manual 278
Specifications EP-3704
System data
Data Process, parameter and diagnostic data depend on the
network adapter used (refer to the table in the section,
Order
and Arrangement of the Modules )
Interface RSTi-EP I/O communication bus
System bus transfer rate 48 Mbps
Inputs
Number 4
Sensor types
Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni 200, Ni500,
Ni1000, Cu10, 40
Ω , 80 Ω , 150 Ω , 300 Ω , 500 Ω , 1 k Ω , 2 k Ω , 4 k Ω
Resolution 16 bits
Accuracy max. 0.2 % FSR / 0.3 % FSR for Ni sensors / 0.6 % FSR for Cu10
Sensor connection 2-wire, 3-wire, 4-wire
Sensor current
depending on the sensor type 0,75 mA (Pt100, Ni100, Ni120,
Cu10, 40
Ω , 80 Ω , 150 Ω , 300 Ω ) or 0,25 mA (Pt200, Pt500,
Pt1000, Ni200, Ni500, Ni1000, 500 Ω , 1 k Ω , 2 k Ω , 4 k Ω )
Max. wire resistance / measurement range
2.5 Ω / 40 Ω, 5 Ω / 80 Ω, 10 Ω / 150 Ω and Cu10, 25 Ω in all
other measuring ranges
Temperature coefficient ±50 ppm/K max.
Temperature range -200 to +850°C (-328 to 1562 °F)
Conversion time 36 to 240 ms, adjustable
Common mode input voltage range
Channel to channel: max. ±2 V
Channel to voltage supply: max. ±50 V
Reverse polarity protection Yes
Module diagnosis Yes
Individual channel diagnosis Yes
Supply
Supply voltage 20.4V – 28.8V
Current consumption from system current path I
SYS
, 8 mA
Current consumption from input current path I
IN
20 mA
General data
Weight 91 g (3.21 oz)
For additional general data, refer to the section, General Technical Data for I/O Modules .