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 - Salda MCB Technical Manual

6.3.3. CONNECTION OF DIGITAL INPUTS (DI) (MCB)

Normally closed (NC) or normally open (NO) contact - depends on
configuration
6.3.5. CONNECTION OF ANALOGUE 0-10V (AI 0-10
V) INPUT (MCB)
Analog or PWM (max. 30 kHz)
R =min. 8 kΩ; U(V) - Voltage
in

6.3.7. CONNECTION OF RS485 COMMUNICATIONS

(MCB)

MCB_miniMCB v2019.1
6.3.4. CONNECTION OF TEMPERATURE-ANA-
LOGUE INPUTS (AI NTC) (MCB)
6.3.6. CONNECTION AND CONFIGURATION OF
RS422/485 COMMUNICATIONS (MCB)
U(V)
RS485_A RS485_B
(D+) (D-)
8 7
1 – connection of 120 Ω line load resistor; 2 – 1 kΩ line pull-up resis-
6.3.8. CONNECTION OF RECIRCULATION DAMPER
(RECIRCULATION ACTUATOR) (MCB)
+24V
GND
(1)
RS485_B RS485_A
GND +24VDC
(D-) (D+)
4 3
6 5
RS485
RS485 configuration with switch S1
tor; 3 – 1 k Ω line pull-down resistor.
CLOSE OPEN
GND PE
GND PE
2 1
EN | 27