Maintenance - WIKA T32.1S Betriebsanleitung

10. Notes for mounting, ... / 11. Maintenance
10.3.2 Intrinsically safe supply and signal circuit
(4 ... 20 mA loop; terminal ⊕ und ⊖)
Parameters
GB
Terminals
Voltage U i
Strength of current I i 130 mA
Power P i
Effective internal
capacitance C i
Effective internal
inductance L i
*) The maximum operating current is limited by the T32. The maximum output current of the
associated energy-limited apparatus does not have to be ≤ 23 mA.
10.3.3 Connection of the HART
(terminal ⊕ and ⊖)
The sum of all voltages connected (supply plus output values of
■
the HART
exceed 30 V for T32.xx.0IS and 40 V for T32.xx.0NI.
The sum of the effective capacitances and inductances must not
■
exceed the maximum permissible value according to the required
equipment group (IIA up to IIC).

11. Maintenance

The temperature transmitter described in these operating instructions
is maintenance-free! The electronics are completely encapsulated
and incorporate no components which could be repaired or replaced.
Repairs must only be carried out by the manufacturer.
40
Model T32.xx.0IS
Gas hazardous
application
+ / -
DC 30 V
800 mW
7.8 nF
100 µH
The supply and signal circuit and the intrinsically safe
sensor circuit must be considered as galvanically
connected to each other.
modem and / or HART
®
WIKA operating instructions temperature transmitter T32.xS
Dust hazardous
application
+ / -
DC 30 V
130 mA
750/650/550 mW 1 W
7.8 nF
100 µH
modem/HART
®
Communicator) must not
®
Model T32.xx.0NI
Gas hazardous
application
+ / -
40 V
23 mA *)
7.8 nF
100 µH
communicator
®