Phoenix Contact SCK-M-U-1500V Handleiding (128 Pagina's)

Handleiding

SOLARCHECK family

66

PHOENIX CONTACT 105608_en_02

8.2 Locate function

Large photovoltaic power stations require good logistics and documentation in order to as-

sign data to the actual position in the field. Checking the assignment is an important and to

some extent time-consuming task during startup. In order to support and simplify the assign-

ment, the SOLARCHECK communication module features a simple locate function. Setting

a time value in a special register, immediately sets the respective communication module to

locate mode. The module remains in this operating state until the specified time has elapsed

or the module is restarted manually. This state is also exited by manually setting the time

value to “0”. When a communication module operates in locate mode, all existing LEDs are

flashing at a uniform frequency of 0.7 Hz. This behavior clearly distinguishes the module

from other communication modules, regardless of the operating state they are in. As locate

mode is activated via the controller, the programmed module ID can be clearly assigned to

the actual device.

Communication mode is still active while the modules are in locate mode. Measured data

will therefore not be lost during this time. The connected measuring modules likewise con-

tinue to operate normally.

Example:

The time entry is set in register 04AFh of the corresponding module. The value is stored in

the register as USIGN16. The minimum value is 5 s (5 decimal) and the maximum value is

18.2 hours (65535 decimal).

Figure 8-1 Schematic view of the locate function

T7

T8

T5T6

COM

GND2 GND2 B A

+24V

GND1 GND1

T7

T8

T5T6

COM

GND2 GND2 B A

+24V

GND1 GND1

T7

T8

T5T6

COM

GND2 GND2 B A

+24V

GND1 GND1

PLC

ID2

# 50 s

RS-485 Bus

ID1 ID2 ID3

50 s

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