Stahl ET-306-A Series, Operating Instructions Manual

Page: 18 / 60

Operating Instructions ET-xx6-A Permitted maximum values
Page 18 of 60

R. STAHL HMI Systems GmbH / OI_ET_xx6_A_en_V_03_00_36.docx / 03.05.2021
8.3 External intrinsically safe circuits
USB0 (X4):
The maximum values for group IIC are:
U
i
= - V U
o
= 5.9 V
I
i
= - mA l
o
= 2.18 A
P
i
= - mW P
o
= 1.24 W
C
i
= 0

F
C
o
= 5.1 11 28 43

F
L
i
= 0 mH L
o
= 10 5 2 1

H
C
o
and L
o
pairs directly above/underneath each other may be used.
The maximum values for group IIB are:
U
i
= - V U
o
= 5.9 V
I
i
= - mA l
o
= 2.18 A
P
i
= - mW P
o
= 1.24 W
C
i
= 0

F
C
o
= 14 40 79 200

F
L
i
= 0 mH L
o
= 50 20 10 5

H
C
o
and L
o
pairs directly above/underneath each other may be used.
USB-2 (X6):
The maximum values for group IIC are:
U
i
= - V U
o
= 5.9 V
I
i
= - mA l
o
= 2.18 A
P
i
= - mW P
o
= 1.24 W
C
i
= 0

F
C
o
= 5.1 11 28 43

F
L
i
= 0 mH L
o
= 10 5 2 1

H
C
o
and L
o
pairs directly above/underneath each other may be used.
The maximum values for group IIB are:
U
i
= - V U
o
= 5.9 V
I
i
= - mA l
o
= 2.18 A
P
i
= - mW P
o
= 1.24 W
C
i
= 0

F
C
o
= 14 40 79 200

F
L
i
= 0 mH L
o
= 50 20 10 5

H
C
o
and L
o
pairs directly above/underneath each other may be used.
Reader RSi1 (X8) +Uint 1 (power supply circuit, X8.0, bridge to X8.2):
U
o
= 10.4 V
l
o
= 220 mA
P
o
= 2.29 W
C
o
= 0.08

F
L
o
= 0.01 mH
Reader RSi1 (X8) +U_ex1 (power supply circuit, X8.2, bridge from X8.0):
U
i
= 12.4 V
I
i
= 220 mA
P
i
= 2.29 mW
C
i
= 25 nF
L
i
= 0 mH