Emerson PACSystems RSTi-EP - Specifications EP-5311; Modifiable Parameters for EP-5311

User Manual Section 5
GFK-2958L May 2021
Detailed Description of I/O Modules 270
5.20.2 Specifications EP-5311
Specification
Description
System data
Data
Process, parameter and diagnostic data depend on the network
Adapter used (refer to Section 3.1, Order and Arrangement of
Modules).
Interface
RSTi-EP I/O communication bus
System bus transfer rate
48 Mbps
Number of channels
1
Type
SSI (Differential RS422)
SSI transfer rate
125 kHz ... 2 MHz
Delay time
1
μ
s ... 64
μ
s
Data width
8- ... 32-bit
Data format
Binary /
Gray-Code
SSI mode
Listening /
Master
Sensor supply
500 mA (24Vdc) /
400 mA (5Vdc)
Reverse polarity protection
Yes
Module diagnosis
Yes
Individual channel diagnosis
No
Cable length
max. 320 m (1049.9 ft) at 125 kHz; shielded
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
87 g (3.07 oz)
For additional general data, refer to Section,
General Technical Data for I/O Modules.
5.20.3 Modifiable Parameters for EP-5311
Channel
Description
Options
7
Default
0
Delay time
1
μ
s (0) /
2
μ
s (1) /
4
μ
s (2) /
8
μ
s (3) /
16
μ
s (4) /
32
μ
s (5) /
48
μ
s (6) /
64
μ
s (7)
64
μ
s
0
SSI transfer rate
125 kHz (0) /
250 kHz (1) /
500 kHz (2) /
125 kHz
7
Values in brackets for Modbus-TCP and EtherCAT.