Nastec SUND 50, Installation And Use Manual

Page: 9 / 24

9
Digital inputs
• IN1 : motor start / stop
• IN2 : motor start / stop or set value 1 - 2 switching*
* only when “control mode: constant value 2 values” is selected.
It is recommended to use only volt free contacts.
Digital inputs can be configured as Normally Open or Normally Closed by software. Read programming chapter.
It is recommended to use pre-insulated ferrules.
Use shielded signal cables by placing the screen at one end using the provided EMC clips.
Digital outputs

NO1, COM1 : motor status, closed contact with motor running.

NC1, COM1: motor status, closed contact with motor stopped.

NO2, COM2: alarm status, closed contact without alarm.

NC2, COM2: alarm status, closed contact with alarm or no power supply.
Relays are volt free contacts. Max. voltage to the contacts is 250 V with max current 5 A.
It is recommended to use pre-insulated ferrules.
Use shielded signal cables by placing the screen at one end using the provided EMC clips.
COMBO serial:

S1+, S1-, G
It is recommended to respect the polarity.
It is recommended to use pre-insulated ferrules.
Use shielded signal cables by placing the screen at one end using the provided EMC clips.
MODBUS RTU serial:

S2+, S2-, G
It is recommended to respect the polarity.
It is recommended to use pre-insulated ferrules.
Use shielded signal cables by placing the screen at one end using the provided EMC clips.