ABB ACH580-04 Hardware Manual page 116

116 Control unit
Isolation areas
1...3
AI1
4...6
AI2
7...8
AO
10...12
24 V
GND
13...15
DI
16...18
DI
34...38
STO
1
1 Panel port
2 Power unit connection at the bottom of the control unit
Reinforced insulation (IEC/EN 61800-5-1:2007)
Functional insulation (IEC/EN 61800-5-1:2007)
The terminals on the control board fulfill the Protective Extra Low Voltage
(PELV) requirements (EN 50178): There is reinforced insulation between the
user terminals which only accept ELV voltages and terminals that accept
higher voltages (relay outputs).
Note: There is functional insulation also between the individual relay outputs.
Note: There is reinforced insulation on the power unit.
SLOT 1
2
EFB
EIA/R5-485
SLOT 2
40, 41
Ext. 24 V
19...21
RO1
22...24
RO2
25...27
RO3