12
0698-651 Operating unit - 04/2021
en
5.2.1 Electrical data
Internal power supply 3.6 V (DC); Approved battery type for the power supply:
• Tadiran SL-760, 3.6V, size AA
Change only outside of hazardous location.
Operating unit input Explosion protection class intrinsic safety Ex ib IIB/IIC;
(housing connector or Max. values:
internal plug strip X-1 or X-2) U
0
= 3.9 V
I
0
= 124 mA
P
0
= 103 mW
Characteristic curve: linear
C
i
= unconsidered small
L
i
= unconsideredly small
Max. permissible external values
for jointly occurring external reactances:
(the table does not include any internal reactances)
L
0
(mH) IIB IIC
C
0
(μF) C
0
(μF)
2 26 3.8
1 32 5.1
0.5 40 6.4
or
when connecting with an active module output in explosion
protection class 'Intrinsic Safety' with module output values
Max. values:
U
0
= 7 V
I
0
= 880 mA
P
0
= 1.95 W
or
for connection to a power supply unit or relay module from PTB 12
ATEX 2010
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