Phoenix Contact SCK-M-I-4S-20A handleiding

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SOLARCHECK family

PHOENIX CONTACT 105608_en_02

3.2.2 Digital input

NOTE: Property damage due to incorrect wiring

The digital signal input must not be wired to an active signal.

Wire floating contacts of door contacts or remote indication contacts of surge protection el-

ements, for example, directly to digital input D_IN.

The state of the switch contact is set as a bit in the communication module and can be read

by a controller.

Figure 3-4 Digital input

The refresh time for this status monitoring depends on the SCK-internal communication loop.

For additional information, refer to Section “SCK-internal communication cycle” on page 33.

3.2.3 Analog input

The analog input is designed for analog standard signals from 0 V to 10 V. Incoming signals

from 0 V to 10 V are stored as a 16-digit INT value.

Using the analog connection for devices in the SOLARCHECK device family

The 2 V to 10 V analog output of the voltage measuring module can be connected to the an-

alog 0 V to 10 V input of the 8-channel current measuring module. Use of this function is op-

tional. Due to the live zero point of the output, line break detection is integrated automatically

(“live zero”). Output P_OUT is designed specifically for connection of the SCK-M-U-1500V

voltage measuring module (item no. 2903591). The maximum distance between current

and voltage measuring modules is 0.5 m.

The value range is defined as -2000 to 12000 (for -2 V to 12 V). For additional details on

voltage measurements, refer to Section “Data acquisition and data transfer” on page 31.

Using the analog connection for analog devices that are not part of the

SOLARCHECK device family

The data cable of any analog module with 0 V to 10 V, 0 V to 5 V, or 2 V to 10 V standard

signals can be connected to the 0 V to 10 V input of the measuring module. Please note that

0 V to 10 V and 0 V to 5 V signals do not support the live zero function.

The supply output of the SCK-M-I-8S-20A is specifically tailored to the performance char-

acteristics of the SCK-M-U-1500V. Power supply to other devices is therefore not supported

or only supported to a limited extent and usually has to be implemented separately. When

designing this separate power supply, observe the relevant requirements from the data

sheet of the module to be connected.

SCK-M-I-8S-20A

Order No. 2903241

SCK BUS

D_IN

1214 11

VAL-MS...

L– /

L+

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