DVU HP CONTROL SYSTEM VER 01.05

List of PLC I/O

Function (=) Comment

CellSheet

Symbol AdressOperand Con. No.

Connection

Location (+) PLC (-)

Project:

Date: Drawing no.:

DVU-HP Control system - ver 01.05

19-09-2016

Rev.: Init.:

Sheet: Next sheet:

T otal sheets:

Function decription:

MODBUS BACKnet

4 1=A4 -C1 DI1:1DI1 Alarm reset =A4-X5:15

4 2=A4 -C1 DI2:1DI2 Cooling m ode =A4-X5:17

4 3=A4 -C1 DI4:1DI4 Cool/Heating start =A4-X5:18

4 6=A4 -C1 DI7:1DI7 Com pressor shut OFF =A4-X5:31

4 7=A4 -C1 DI8:1DI8 M ain supply error =A4-K5:11

4 4=A4 -C1 DI9:1DI9 Low pressure swirch =A4-X5:20

4 8=A4 -C1 DI10:1DI10 HP =A4-K7:14

5 1=A4 -C1 NO2:1NO2 Digital scroll valve =A4-K4:A1

5 2=A4 -C1 NO4:1NO4 Reverse cycle 4 way valve =A4-K6:A1

5 3=A4 -C1 NO7:1NO7 General alarm =A4-X5:25

5 4=A4 -C1 NO9:1NO9 Defrost active

5 5=A4 -C1 NO11:1NO11 Com pressor 1 =A4-K1:A1

5 6=A4 -C1 NO12:1NO12 Com pressor 2 =A4-K2:A1

3 1=A4 -C1 U1:1U1 condenser tem p for subcooling =A4-X5:1

3 2=A4 -C1 U2:1U2 Suction tem p =A4-X5:3

3 3=A4 -C1 U4:1U4 Discharge tem p =A4-X5:5

3 4=A4 -C1 U5:1U5 Condensing pressure =A4-X5:6

3 5=A4 -C1 U6:1U6 Suction pressure =A4-X5:8

3 6=A4 -C1 U7:1U7 Capacity reference =A4-X5:11

3 7=A4 -C1 U10:1U10 Coil de-frost =A4-R114:2

3 8=A4 -C1 U11:1U11 Discharge tem p Com pressor 2 =A4-X5:12

3 9=A4 -C1 U12:1U12 Discharge tem p Com pressor 3 =A4-X5:14