24
Smarty 2X/3X P
www.salda.lt
F
Connector
Contactor No.
Contactor name
Functional block name
miniMCB
X18
1
RS422_Z
RS422/485 communication port
2
RS422_Y
3
-
4
RS422/485_A
5
RS422/485_B
6
RS_GND
7
24VDC
8
GND
B
C
Fig. 3.
EX1 controller zones
B
Connector
Contactor No.
Contactor name
Functional block name
miniEX1
X19
1
AI1 (0-10V)
A1-Supply air CO
2
or RH (input 0-10VDC)
2
GND
3
24VDC
X20
1
GND
Electric/Water heater control (output 0-10VDC)
2
AO1 (0-10V)
3
GND
Hydraulic heater water temperature sensor
4
AI2 (NTC)
X21
1
DO1
Working indication output (START). 24VDC; 1,2W max.
2
24VDC
3
DO2
Alarm indication output (STOP). 24VDC; 1,2W max.
4
24VDC