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2)
Description
Term.
1)
Connection
Auxiliary voltage input/output
Aux. voltage 24 V DC, max. 250 mA
+24V
+24 V
DGND
DCOM
Aux. voltage output common
DGND
Digital input common for all
DCOM
1) Terminal size: 0.14 … 1.5 mm2 (26 … 16 AWG) Tightening torque: 0.5 … 0.6 N·m (4.4 … 5.3 lbf·in)
2) × = base unit, empty = RIIO-01 module
3) The sum output current from 24 V terminals of base unit and RIIO-01 module must not exceed 250 mA.
4) Drive output frequency:
Operation/Parameter
DI4
DI3
Set output frequency through AI1
0
0
28.26 Constant frequency 1
0
1
28.27 Constant frequency 2
1
0
28.28 Constant frequency 3
1
1
■
Default fieldbus connection diagram
The connection diagrams are valid for the base unit equipped with an optional fieldbus
adapter module.
2)
Description
Term.
1)
Connection
Auxiliary voltage output and digital inputs
×
Aux. voltage 24 V DC, max. 250 mA
+24V
+24 V
DGND
DCOM
DI1
DI2
+24 V
DGND
DCOM
DI1
DI2
×
Aux. voltage output common
DGND
×
Digital input common for all
DCOM
×
Stop (0)
/
Start (1)
DI1
×
Not configured
DI2
Relay outputs
×
Aux. voltage 24 V DC, max. 250 mA
+24V
RO1C
RO1A
RO1B
+24 V
DGND
DCOM
×
Aux. voltage output common
DGND
×
Digital input common for all
DCOM
×
Damper control
250 V AC / 30 V DC, 2 A
Common
RO1C
×
Norm. closed
RO1A
×
Norm. open
RO1B
Safe torque off
×
Safe torque off
. Factory connection. Both circuits
must be closed for the drive to start.
SGND
OUT1
SGND
IN1
IN2
×
IN1
×
IN2
×
OUT1
98 Electrical installation – North America
Summary of Contents for ACH480
Page 1: ... ABB DRIVES FOR HVAC ACH480 drives Hardware manual ...
Page 2: ......
Page 4: ......
Page 14: ...14 ...
Page 22: ...22 ...
Page 28: ...28 ...
Page 38: ...38 ...
Page 44: ...44 ...
Page 60: ...60 ...
Page 86: ...86 ...
Page 110: ...110 ...
Page 114: ...114 ...
Page 122: ...122 ...
Page 156: ...Frame R1 Frame R1 front side IP20 UL open type 156 Dimension drawings ...
Page 157: ... Frame R1 bottom rear IP20 UL open type Dimension drawings 157 ...
Page 158: ... Frame R1 front side UL Type 1 kit installed 158 Dimension drawings ...
Page 159: ... Frame R1 bottom rear UL Type 1 kit installed Dimension drawings 159 ...
Page 160: ...Frame R2 Frame R2 front side IP20 UL open type 160 Dimension drawings ...
Page 161: ... Frame R2 bottom rear IP20 UL open type Dimension drawings 161 ...
Page 162: ... Frame R2 front side UL Type 1 kit installed 162 Dimension drawings ...
Page 163: ... Frame R2 bottom rear UL Type 1 kit installed Dimension drawings 163 ...
Page 164: ...Frame R3 Frame R3 front side IP20 UL open type 164 Dimension drawings ...
Page 165: ... Frame R3 bottom rear IP20 UL open type Dimension drawings 165 ...
Page 166: ... Frame R3 front side UL Type 1 kit installed 166 Dimension drawings ...
Page 167: ... Frame R3 bottom rear UL Type 1 kit installed Dimension drawings 167 ...
Page 168: ...Frame R4 Frame R4 front side IP20 UL open type 168 Dimension drawings ...
Page 169: ... Frame R4 bottom rear IP20 UL open type Dimension drawings 169 ...
Page 170: ... Frame R4 front side UL Type 1 kit installed 170 Dimension drawings ...
Page 171: ... Frame R4 bottom rear UL Type 1 kit installed Dimension drawings 171 ...
Page 172: ...172 ...
Page 180: ...180 ...
Page 198: ... Declaration of conformity 198 The Safe torque off function ...
Page 206: ...Dimensions 206 BIO 01 I O extension module ...
Page 212: ...Dimensions 3AXD50000031148 rev A 212 BREL 01 relay output extension module ...