TECSYSTEM NT935 User Manual

12
NT935
ASERIES
NT935 AD
1) Pt100 sensors (white-red-red) 3) Relays (FAN2-FAN1-ALARM-TRIP-FAULT)
2) Supply 24-240Vac-dc 50/60Hz. 4) Output 4.20 mA
5) Modbus RTU RS485 output
SCREEN RED RED WHITE
ELECTRICAL CONNECTIONS
5
1
2
3
4
1MN0095 REV. 0
Output relay with 10A-250Vac-res COSФ=1 contacts.
COSФ=1.
STOP
SYSTEM
ALARM
CONDITION AUDIO AND
VISUAL INDICATION
Pt100 CONNECTION EXAMPLE
Note: before connecting the
sensors to the control unit, read
the Measurement signal transfer
paragraph on page 15.
Note: relay contact image in non-alarm condition, with the exception of the FAULT relay that opens: contacts 11-12
open (NO) contacts 11-12 closed (NC) fault condition identification. Read the Alarms and Ventilation paragraph on
page 13 and see the opening of the fault contact.
RELAY CONNECTION EXAMPLE

TECSYSTEM NT935 Specifications

General

Brand	TECSYSTEM
Model	NT935
Category	Controller
Language	English