EVCO c-pro micro SAVE - Manual (Page 6)

C-PRO MICRO SAVE APPLICATION MANUAL
Page 6
Electric connections with 3-speed fans
Note: For driving the 3-speed fans (Digital output) set PG10=DO
2.1.2 I/O configuration with 1 speed fans + speed variator
c-Pro MICRO CAN with 2 A/O V+V (code CPU1S0C2V)
I/O
Description
Analogue inputs
AI 1 Anti-freeze Temperature Probe (Recovery heat exchanger By-Pass) NTC
AI 2 Not used
AI 3 Not used
AI 4 Not used
Serial ports
TTL (485) TTL with external interface EVIF becomes RS485 Modbus RTU
CAN bus To the EXP micro and/or Vgraph
Digital inputs
DI 1 Presence sensor
DI 2 Start – Stop (remote)
DI 3 Supply fan thermal switches (protection)
DI 4 Return fan thermal switches (protection)
DI 5 BY-Pass damper presence ( anti-freeze recovery heat exchanger)
Analogue outputs
AO 1 Not used
AO 2 Return fan piloting signal (0-10 V)
AO 3 Supply fan piloting signal (0-10 V)
Digital Outputs (Relay)
DO 1 Return fan (speed 0) enabling
DO 2 Supply fan (speed 0) enabling
DO 3 Recovery heat exchanger BY-PASS damper
DO 4
DO 5
DO 6
RTC system clock - Real Time Clock: present on the user interface Vgraph