Emerson PACSystems RSTi-EP - Specifications EP-3164

User Manual Section 5
GFK-2958L May 2021
Detailed Description of I/O Modules 301
Figure 172: Block Diagram EP-3164
5.24.2 Specifications EP-3164
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
Input values
1. Voltage (0 ... 5 V, ±5 V, 0 ... 10 V, ±10 V, 1 ... 5 V, 2 ... 10 V)
2. Current (0 ... 20 mA, 4 ... 20 mA)
Resolution
16 bits
Accuracy
0.1 % max.
50 ppm/K max.
max. –10 mV/A
at 25 °C (77 °F)
Temperature coefficient
additional inaccuracy in the voltage mode due to
sensor power supply current
Sensor supply
max. 2 A per plug, total max. 8 A
Sensor connection
2-wire, 3-wire, 3-wire + FE
Conversion time
1ms
Internal resistance
U: 100 kΩ; I: 41.2 Ω
Reverse polarity protection
Yes
Short-circuit-proof
Yes
Response time of the protective circuit
< 50ms
Module diagnosis
Yes
Individual channel diagnosis
No
Supply
Supply voltage
20.4V – 28.8V
Current consumption from system
current path ISYS,
8 mA
Current consumption from input current
path IIN
25 mA + sensor supply current
General data
Weight
89 g (3.14 oz)
For additional general data, refer to Section,