EVCO EPH4DXP1SA - Manual (Page 17)

EVCO S.p.A. c-pro 3 hecto MCSA | User manual ver. 2.0 | Code 144MCSAE204
page 17 of 52
PGUT=3
- zone 1 (temperature)
- zone 2 (temperature).
I/O Description
Zone controller
Analogue inputs
AI 1 External Temperature (NTC)
AI 2 Supply Temperature (NTC)
AI 3 Zone 2 temperature (NTC)
AI 4 Zone 1 temperature (NTC)
Serial ports
RS 485 Modbus RTU protocol
CANbus Not used
Digital inputs (potential-free contact ON-OFF)
DI 1 Mixing circuit flow switch
DI 2 Hot block alarm boiler
DI 3 Alarm – cooling block Chiller
DI 4 Remote summer winter
DI 5 Not used
Analogue outputs (PWM/0-10V/4-20mA)
AO 1 not available
AO 2 0-10 V flow modulating valve (or 4-20 mA to be ordered)
AO 3 ON-OFF valve (2 or 3 ways) for energy recording
Digital Outputs (Relay)
DO 1 collector_zone 1
DO 2 collector_zone 2
DO 3 Hot consent (Boiler or HP)
DO 4 Cold consent (Chiller)
DO 5 Apartment flow line circulation pump control
DO 6 Alarm
3. USER INTERFACE
3.1 Display and keyboard
The user interface is made up from a 6-key membrane keyboard with graphical 128 x 64 pixel LCD in black and white,
which gives the instrument great capacity for information combined with user-friendliness.