GE RSTi-EP - Page 245

Chapter 5 Detailed Descriptions of I/O Modules
GFK-2958E RSTi-EP User Manual 241
Specifications EP-3264
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
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. 0.5 A per plug
Sensor connection
2-wire, 3-wire, 3-wire + FE
Conversion time
1 ms
Internal resistance
U: 100 kΩ; I: 41.2 Ω
Reverse polarity protection
Yes
Short-circuit-proof
Yes
Response time of the protective circuit
< 50 ms
Module diagnosis
Yes
Individual channel diagnosis
No
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
25 mA + sensor supply current
General data
Weight
89 g (3.14 oz)
For additional general data, refer to the section General Technical Data for I/O Modules.
Overview of the Editable Parameter EP-3164
Channel
Description
Options
Default
Frequency suppression
disabled (0) / 50 Hz (1) / 60 Hz (2) / Average over 16 values (3)
disabled
0 ... 3
Channel diagnosis
disabled (0) / enabled (1)
disabled
0 ... 3
Diag short circiut 24 V
disabled (0) / enabled (1)
disabled
0 ... 3
Diag line break 24 V
disabled (0) / enabled (1)
disabled
0 ... 3
Measurement range
0 to 20 mA (0) / 4 to 20 mA (1) / 0 V to 10 V (2) / -10 to 10 V (3)
/ 0 to 5 V (4) / -5 to 5 V (5) / 1 to 5 V (6) / 2 to 10 V (7) /disabled
(8)
disabled