Siemens S120 - Interface Description; Meaning of the Leds

Siemens S120_EN_rev06-08062017.docx 6-2
Control Unit Adapter.
 Ensure that the air openings are not blocked by connecting cables.
WARNING
As a result of incorrect parameterization, machines can malfunction, which in turn can lead to injuries or
death.
6.3 INTERFACE DESCRIPTION
Overview
Figure 24 CU310-2 PN overview of interfaces
Note:
The PROFIBUS address switch on the CU310-2 PN has no function.
Memory card
Use only memory cards manufactured by Siemens to run the CU310-2 PN. These cards will be pre-loaded
by the factory with the adequate management software.
DO NOT REMOVE FOR ANY REASON THE COMPACT-FLASH. RISK OF
DAMAGE / LOSS OF SOFTWARE
6.4 MEANING OF THE LEDS
Function of the LEDs
There are four LEDs on the front panel of the CU310-2 PN's housing (see CU310-2 PN Interface Overview
(Figure 24)).
Table 16 LEDs
RDY
Ready
COM
Status of the fieldbus communication
OUT>5V
Encoder current supply > 5 V (TTL/HTL)
MOD
Operating mode (reserved)