
User Manual
Section 5
GFK-2958L
May 2021
Detailed Description of I/O Modules
351
5.32.2
Specifications EP-3704
Specifications
Description
System data
Data
Process, parameter and diagnostic data depend on the
network adapter used (refer to Section, Order and
Arrangement of 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 240ms, 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 ISYS,
8 mA
Current consumption from input current path IIN
20 mA
General data
Weight
91 g (3.21 oz)
For additional general data, refer to Section,
General Technical Data for I/O Modules.