Burkert Type 8643 Benutzerhandbuch
Seite 6
20
TechnicAl dATA
7.
General Technical data
7.1.
Housing material:
Polyester, aluminium
Ambient temperature:
2-wire version polyester housing:
-20 ... +55°C
2-wire version aluminium housing: -20 ... +57°C
4-wire version aluminium and polyest er housing:
-20 ... +60°C
Protection class:
IP 65 (DIN EN 60529)
Protection class:
3 (DIN EN 61140(vDE 0140-1))
Ignition protection identification (complete device):
II 2(1) G Ex e mb [ia] IIC T4 und
II 2(1) D Ex tD A21 [iaD] IP66
T65°C
Power supply voltage 4-wire version:
Auxiliary supply 24 V:
17 ... 32 V DC
Max. power requirement:
200 mA (17 V)
140 mA (24 V)
110 mA (32V)
Power consumption of bus: 12 mA / 17 mA FDE
Bus voltage:
9 ... 32 DC
english
21
Power supply voltage 2-wire version:
Max. power requirement: 320 mA (17 V)
220 mA (24 V)
160 mA (32 V)
Bus voltage:
17 ... 32 V DC
Inputs:
8, intrinsically safe, NAMUR
(in accordance with
EN 60947-5-6)
Outputs:
4, intrinsically safe
Field bus interface:
Communication in accordance
with IEC 1158-2
4-wire version:
in accordance with FISCO
Ignition protection type: EEx i
Electrical connection:
4 screw terminals bus
(up to 2.5 mm²)
3 screw terminals shield
(1x directly and 2x capacitively
earthed)
2-wire-version:
Ignition protection type: EEx e
Auxiliary supply:
for 4-wire-version only
english
22
Ignition protection type: Increased safety EEX e
Electrical connection:
4 screw terminals
(up to 2,5 mm²)
The cable resistance to the sensors and
•
actuators may be max. 20
Ω.
The Power I/O Box Type 8643 may be supplied
•
with low safety voltage in accordance with VDE
0631 only.
The Power I/O Box Type 8643 satisfies the
•
conditions of the EMC Law. EN61000-6-2 Inter-
ference Resistance, EN61000-6-4 Interference
Emission
The safety-related maximum values for operation
•
in explosion-risk area can be found in the Type
Examination Certificate in the Appendix (see
operating instructions).
english
23
dimensions
7.2.
260
160
188
110
240
92
Dimensions Type 8643
Fig. 4:
english
Type 8643 PA