KROHNE OPTISWITCH 3x00 EX II1_2D-II2D-IP66T DE User Manual
Page 20
English
3.1.4 OPTISWITCH 3*00 C VF3*4.G*/CK***Z** with integrated oscillator VB60Z:
types with OPTISWITCH 3*00 C VF3*4.G*/CK:
3100 C VF31, 3200 C VF32, 3300 C VF33
Power supply and signal circuit
(terminals 1 +, 2 – in the electronics
compartment, with double chamber housing
version in the terminal compartment
in flame proofing intrinsic safety EEx ia IIC
for connection to a certified intrinsically safe circuit
Max. values:
U
i
= 30 V
I
i
= 131 mA
P
i
= 983mW
The effective internal capacity Ci is negligibly small
The effective internal inductance Li is negligibly small
The intrinsically safe circuit is galvanically separated from parts which can be grounded. The metallic
parts of OPTISWITCH 3*00 C VF3*4.G*/CK***Z** are electrically connected with the internal and
external earth terminal.
3.2 Thermal characteristic
3.2.1 Permissible ambient temperature:
3.2.1.1 On the sensor, category 1D or 2D:
OPTISWITCH 3100 C VF31/ 3300 C VF33:
OPTISWITCH 3200 C VF32:
In high temperature version
(OPTISWITCH 3100 C VF31/ 3300 C VF33
)
-40°C .... + 150°C
-40°C .... + 80°C
-40°C ... + 250°C
3.2.1.2 On the electronics housing, category 2D:
OPTISWITCH 3100 C VF31/ 3200 C VF32/ 3300 C VF 33:
-40°C .... + 60°C
3.2.2 Surface temperature increase:
3.2.2.1 On the sensor in Zone 20 or Zone 21:
OPTISWITCH 3100 C VF31/ 3200 C VF32/ 3300 C VF33: Process
temperature + 3K
3.2.2.2 On the electronics housing in Zone 21:
OPTISWITCH 3100 C VF31/ 3200 C VF32/ 3300 C VF334.****Z**:
OPTISWITCH 3100 C VF31/ 3200 C VF32/
3300 C VF33.****C/R/T**:
Limited by temperature protection to
Ambient
temperature + 17K
98°C
20 30106-DE-050912
OPTISWITCH-STEX