Salda MCB - Connection of Digital Inputs (DI) (Mcb); Connection of Temperature-Analogue Inputs (Ai Ntc) (Mcb); Connection and Configuration of Rs422;485 Communications (Mcb); Connection of Rs485 Communications

EN | 27MCB_miniMCB v2019.1
6.3.3. CONNECTION OF DIGITAL INPUTS (DI) (MCB)
Normally closed (NC) or normally open (NO) contact - depends on
conguration
6.3.4. CONNECTION OF TEMPERATURE-ANA-
LOGUE INPUTS (AI NTC) (MCB)
6.3.5. CONNECTION OF ANALOGUE 0-10V (AI 0-10
V) INPUT (MCB)
U(V)
Analog or PWM (max. 30 kHz)
R
in
=min. 8 kΩ; U(V) - Voltage
6.3.6. CONNECTION AND CONFIGURATION OF
RS422/485 COMMUNICATIONS (MCB)
RS485_A
(D+)
8
RS485_B
(D-)
7
RS485_B
(D-)
6
RS485_A
(D+)
5
GND
4
+24VDC
3
GND
2
PE
1
RS485
PEGND
+24V
(1)
GND
RS485_B
(D-)
RS485_B
(D-)
RS485_A
(D+)
RS485_A
(D+)
RS485 conguration with switch S1
1 – connection of 120 Ω line load resistor; 2 – 1 kΩ line pull-up resis-
tor; 3 – 1 k Ω line pull-down resistor.
6.3.7. CONNECTION OF RS485 COMMUNICATIONS
(MCB)
6.3.8. CONNECTION OF RECIRCULATION DAMPER
(RECIRCULATION ACTUATOR) (MCB)
CLOSE
OPEN