Led Indicators On The Com20 - Siemens SENTRON VL Series System Manual
Circuit breakers with communication capability - profibus
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Also See for SENTRON VL Series:
- Operating instructions manual (6 pages) ,
- Operating instructions (3 pages) ,
- Operating instructions manual (10 pages)
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3VL molded-case circuit breaker
4.2 COM20 connection
Conductor cross-sections
Note
Transmission line
It is recommended to transfer the ZSI signal via a twisted-pair signal line with a cross-section
of at least 0.75 mm
type: Shielded MSR cable LSYCY (2 x 0.75 mm
Note
The motorized operating mechanism must be in automatic mode for switching via
PROFIBUS DP!
4.2.8
LED indicators on the COM20
To monitor whether the COM20 is ready for operation and data exchange is taking place,
three LEDs designated TRIP UNIT, PROFIBUS and DEVICE are located on the front cover
of the COM20. The operating statuses explained in the tables below can be read from these
LEDs.
DEVICE LED
The DEVICE LED provides information on the status of the COM20.
Table 4- 5
DEVICE LED
Off
Green steady light
Steady yellow light
Flashing yellow
Flashing red
Red rapid flashing
102
Tightening torque
Solid
Finely stranded with end sleeve
AWG cable (solid)
AWG cable (finely stranded)
. The maximum length must not exceed 400 m. Recommended cable
2
DEVICE LED
); made by: Siemens
2
Meaning
No voltage on the COM20
COM20 is supplied, there is no fault, no addressing plug is
connected
The addressing plug is connected; the address setting has not
yet been read or stored in non-volatile memory.
The addressing plug is connected; the address setting has
been read and stored in non-volatile memory.
The addressing plug is connected and has a fault.
COM20 has a serious internal fault
3WL/3VL circuit breakers with communication capability - PROFIBUS
System Manual, 03/2011, A5E01051353-02
0.8...1.2 Nm
1 x 0.5...4 mm
; 2 x 0.5...2.5 mm
2
1 x 0.5...2.5 mm
; 2 x 0.5...1.5 mm
2
1 x AWG 20 to 12;
2 x AWG 20 to 14
1 x AWG 20 to 14;
2 x AWG 20 to 16
2
2
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