Isolation areas, R6…R9
SLOT2
X10
DI
X3:4…6
Ext. 24 V
SLOT1
X5
X8
EFB
RO1
X7
RO2
X6
X4
RO3
STO
DI
X3:1…3
AO
X1:7…8
X1:4…6
AI2
X1:1…3
X2
AI1
24 V GND
X15
X12
X18 X16
FAN1
X17
FAN2
1
2
3
AIR IN
TEMP
DescriptionSymbol
Power unit connection1
I/O extension2
Reinforced insulation (IEC/EN 61800-5-1:2007)
Functional insulation (IEC/EN 61800-5-1:2007)
The terminals on the control unit 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 between the individual relay outputs.
Note: There is reinforced insulation on the power unit.
Technical data 295
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