ABB ACH580-01 - Page 294

Isolation areas, R1…R5
X6
RO3
X7
X8
RO2
RO1
X1
X2
AI/AO
24 V
GND
X3
DI
X4
STO
X5
EFB
SLOT1
SLOT2
1
3
2
DescriptionSymbol
Panel port1
Power unit connection2
I/O extension3
Reinforced insulation (IEC/EN 61800-5-1:2007)
Functional insulation (IEC/EN 61800-5-1:2007)
Below altitudes 4000 m (13123 ft): The terminals on the control unit fulfill the Protective Extra
Low Voltage (PELV) requirements (EN 50178): There is adequate insulation between the user
terminals which only accept ELV voltages and terminals that accept higher voltages (relay
outputs).
294 Technical data