GE RSTi-EP - Page 263

Chapter 5 Detailed Descriptions of I/O Modules
GFK-2958E RSTi-EP User Manual 259
Specifications EP-3468
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
8
Input values
Current input (0 - 20 mA, 4 - 20 mA)
Resolution
16 bits
Accuracy
max. 0.1 % FSR
±50 ppm/K max.
at 25 °C (77 °F)
Temperature coefficient
Sensor supply
max. 125 mA per channel; channel 0 - 3 and 4 - 7 respectively
are fused in combination
Sensor connection
2-wire, 3-wire, 3-wire + FE
Conversion time
1 ms
Internal resistance
approx. 45 Ω
Reverse polarity protection
Yes
Short-circuit-proof
Yes
Response time of the protective circuit
< 0.1 s with short-circuit to +24 V
Reset time
Temperature-dependent: < 30 s at 20°C (-4 °F)
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
20 mA + load
Connection data
Type of connection
Insulation Displacement Connection (IDC)
Line connection cross-section
Single-wired, Fine-wired
0.14 - 0.35 mm
2
(26 – 22 guage)
General data
Weight
90 g (3.17 oz)
For additional general data, refer to the section General Technical Data for I/O Modules.