GE RSTi-EP - Page 275

Chapter 5 Detailed Descriptions of I/O Modules
GFK-2958E RSTi-EP User Manual 271
Specifications EP-4264
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
Output levels
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)
Response time
1 ms for 4 channels
Resolution
16 bits
Accuracy
0.1 % FSR max., 0.05 % FSR typ.
Temperature coefficient
20 ppm voltage / 31 ppm current measurement / K
Max. error between T
min
and T
max
±220 ppm FSR
Monotony
Yes
Crosstalk between the channels
±0.001 % FSR max.
Repeat accuracy
< ±1 mV eff.
Output ripple
max. 0.001 %
Voltage load resistance
≥ 1 kΩ (at > 50°C (122 °F) max ambient temperature, total sensor
current of 10 mA per channel but 25 mA per module)
Current load resistance
≤ 600 Ω
Actuator connection
2-wire (current and voltage; automatic detection), 4-wire (voltage)
Short-circuit-proof
Yes
Module diagnosis
Yes
Individual channel diagnosis
Yes
Substitute value
Yes
Supply
Supply voltage
20.4V – 28.8V
Current consumption from system current path
I
SYS
,
8 mA
Current consumption from output current path
I
OUT
85 mA
General data
Weight
98 g (3.47 oz)
For additional general data, refer to the section, General Technical Data for I/O Modules.