Emerson PACSystems RSTi-EP - Specifications EP-3804

User Manual Section 5
GFK-2958L May 2021
Detailed Description of I/O Modules 360
5.33.2 Specifications EP-3804
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
J, K, T, B, N, E, R, S, L, U, C, mV
Resolution
16 bits
Accuracy
Conversion time ≥ 80ms: 10
μ
V + 0.1 % of voltage measurement range (without
cold-junction measurement error)
Sensor connection
2-wire
Sensor current
0.25 mA for the cold-junction compensation with a Pt1000
Cold junction compensation
Internal and external (Pt1000), int. accuracy ≤ 3 K
Temperature coefficient
50 ppm/K max.
Temperature range
-200 to +2,315°C (-328 to 4199 °F)
Conversion time
36 to 240ms, adjustable
Internal resistance
> 1 MΩ
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
86 g (3.03 oz)
For additional general data, refer to Section,
General Technical Data for I/O Modules.