Emerson PACSystems RSTi-EP - LED Indicators EP-5261

User Manual Section 5
GFK-2958L May 2021
Detailed Description of I/O Modules 260
5.19.1 LED Indicators EP-5261
Module Status
Green: Communication over the system bus
Red: Module System Fault or Diagnostic Fault
1.1
Yellow: RS232 parameterized
Yellow flashing: Data are being received
1.2
Yellow: RS232 parameterized
Yellow flashing: Data are being transmitted
1.3
--
1.4
--
3.1
3.1 ... 3.4 Yellow: RS422 parameterized
3.1 + 3.2 Off, 3.3 + 3.4 Yellow: RS485 parameterized
3.3 Yellow flashing: Data are being received
3.4 Yellow flashing: Data are being transmitted
3.2
3.3
3.4
4.1
Green: Supply voltage +5Vdc
4.2
--
4.3
Green: Supply voltage +24Vdc
4.4
--
For error messages refer to Section 12, LED Indicators and Troubleshooting.
Figure 147: Block Diagram EP-5261