PREVENTIVE AND CORRECTIVE MAINTENANCE
PRODUCT
ACS6000
DOCUMENT KIND
User manual
DOCUMENT ID.
3BHS212794 E01
REV.
N
LANG.
en
PAGE
214/266
Figure 10-5 Example of S800 I/O station  
For more information, see the following manuals:
– S800 I/O - General information and installation, user’s guide
– S800 I/O - Modules and termination unit, user’s guide
10.3.3.4. Serial communication interfaces
To identify the serial communication interface in the drive, see “Appendix D - 
Wiring diagrams”. For more information on the device, select the appropriate 
manual:
– “AF 100 fieldbus - NAFA-01 installation and start-up guide” (3BFE58919837)
– “Modbus TCP - NETA-21 remote monitoring tool user manual” 
(3AUA0000096939)
– “Modbus RTU - NMBA-01 installation and startup guide” (3AFY58919772)
– “Profibus - NPBA-12 installation and startup guide” (3BFE64341588)
10.3.3.5. LEDs on optional heat exchangers
Two LEDs on the front of the heat exchanger indicate the status of the unit.
Alarm signals are also shown on the CDP control panel.
LED Color Indication
F Red Indicates failure
R Green Device is operating normally
W Yellow External fault or minor fault in the module
O Yellow Indicates an active signal
OSP Yellow Indicates an active signal (Output Set as Predetermined)
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