14 TZIDC, TZIDC-110, TZIDC-120 DIGITAL POSITIONER | CI/TZIDC/110/120-EN REV. E
… 2 Use in potentially explosive atmospheres
TZIDC-110 – Ex relevant specification
Note
The values indicated here are taken from the respective
certificates. Always observe the specifications and supplements
in the explosion protection certificates.
ATEX – ‘Ex i’ type of protection
Ex marking
Marking II 2 G Ex ia IIC T6 or. T4 Gb
II 3 G Ex ic IIC T6 or T4 Gc
Type Examination Test Certificate TÜV 02 ATEX 1831 X
Type Intrinsically safe equipment
Standards EN 60079-0
EN 60079-11
Temperature Data
Temperature class Ambient temperature Ta
T4 −40 to 85 °C
T6 −40 to 40 °C
Electrical Data
ia / ib / ic for Grp. IIB / IIC
With the intrinsically safe Ex i IIC type of protection, only for
connection to a certified FISCO power supply unit, a barrier or a
power supply unit with linear characteristic curves and the
following maximum values:
Current circuit (terminal) Electrical information (maximum values)
Signal circuit
(+11 / −12 or + / −)
U
i
= 24 V
l
i
= 250 mA
P
i
= 1.2 W
Characteristic curve:
linear
L
i
< 10 μH
C
i
< 5 nF
With the intrinsically safe Ex i IIC type of protection, only for
connection to a certified intrinsically safe circuit with maximum
values:
Current circuit (terminal) Electrical information (maximum values)
Mechanical digital
feedback
(Limit1: +51 / −52)
(Limit2: +41 / −42)
See EC type examination certificate
PTB 00 ATEX 2049 X
ATEX – ‘Ex n’ type of protection
Ex marking
Marking II 3 G Ex nA IIC T6 or T4 Gc
Type Examination Test Certificate TÜV 02 ATEX 1943 X
Type ’n’ type of protection
Device class II 3 G
Standards EN 60079-15
EN 60079-0
Temperature Data
Device group II 3 G
Temperature class Ambient temperature Ta
T4 −40 to 85 °C
T6 −40 to 50 °C
Electrical Data
Current circuit (terminal) System bus, computer interfaces
Signal circuit
(+11 / −12)
U = 9 to 32 V DC
I = 10.5 mA
Mechanical digital feedback
(Limit1: +51 / −52)
(Limit2: +41 / −42)
U = 5 to 11 V DC
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