Stahl MT 7 Series, Operating Instructions Manual

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Operating Instructions MT-xx7 Permitted maximum values

R. STAHL HMI Systems GmbH / OI_MT_xx7_en_V_01_02_14.docx / 06.12.2019 Page 17 of 44
8.2 External inherently safe optical interface
Ethernet optical fibre (FO 1) (X18)
Multi-mode
Wavelength 850 nm
Radiant power 0.22 mW
max. radiant power: 35 mW
Single mode
Wavelength 1310 nm
Radiant power 0.22 mW
max. radiant power: 35 mW
8.3 External intrinsically safe circuits
Keyboard (X11)
The maximum values are:
U
i
= 5.5 C U
o
= 5.5 C
I
i
= 3 A l
o
= 309 mA
P
i
= 2 W P
o
= 629 mW
C
i
= negligible

F
C
o
= 50

F
L
i
= negligible mH L
o
= 40

H
Pointer device (X12):
The maximum values are:
U
i
= 5.5 C U
o
= 5.5 C
I
i
= 3 A l
o
= 309 mA
P
i
= 2 W P
o
= 629 mW
C
i
= negligible

F
C
o
= 50

F
L
i
= negligible mH L
o
= 40

H
USB1i (X24):
The maximum values are:
U
i
= 5.5 C U
o
= 5.5 C
I
i
= 3 A l
o
= 309 mA
P
i
= 2 W P
o
= 629 mW
C
i
= negligible

F
C
o
= 50

F
L
i
= negligible mH L
o
= 40

H
USB2i (X25):
The maximum values are:
U
i
= 5.5 C U
o
= 5.5 C
I
i
= 3 A l
o
= 309 mA
P
i
= 2 W P
o
= 629 mW
C
i
= negligible

F
C
o
= 50

F
L
i
= negligible mH L
o
= 40

H