Solarcheck String Current Measurement With Sck-M-I; Safety Notes For The Device; Function - Phoenix Contact SCK-C-MODBUS User Manual

3

Solarcheck string current measurement with SCK-M-I-...

105608_en_00
Various device versions are available for string current measurement. The device designa-
tion indicates the number of current measuring channels and their measuring range final
value. Hall sensors are used for contact-free current measurement. The devices also have
a digital input, internal temperature indication, and some have an analog interface for con-
necting a Solarcheck voltage measuring device.
3.1

Safety notes for the device

• Do not open or modify the device. Do not repair the device yourself; replace it with an
equivalent device. Repairs may only be performed by the manufacturer. The manufac-
turer is not liable for damage resulting from noncompliance.
• The termination area must be covered after installation to ensure sufficient protection
against accidental contact with live parts (e.g., installation in a distributor box or control
cabinet).
3.2

Function

Table 3-1 Function matrix for current measuring modules
SCK-M- x -
I-8S-20A
SCK-M- - x
I-4S-20A
Solarcheck string current measurement with SCK-M-I-...
x x x x
x - x x
x
Digital
IN
μC
+
U-IN
0...10V
–
1
2
3
8x
4
I-IN
5
6
7
8
x
Digital mC
IN
1
4x
2
I-IN
3
4
PHOENIX CONTACT
SCK-
BUS COM
OUT
SCK-
BUS
COM
OUT
17