GE RSTi-EP - Page 282

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 kΩ, 2 kΩ, 4 kΩ
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 kΩ, 2 kΩ, 4 kΩ)
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.