GE GFK-2958E, Руководство пользователя

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Chapter 5 Detailed Descriptions of I/O Modules
GFK-2958E RSTi-EP User Manual 254
Specifications EP-3368
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 .
Overview of the Editable Parameter EP-3368
Channel Description Options Default
Frequency suppression disabled (0) / 50 Hz (1) / 60 Hz (2) / Average over 16 values (3) disabled
0 - 7 Measurement range 0 to 20 mA (0) / 4 to 20 mA (1) / disabled (3) disabled