WIKA T32. S Series - Page 35

GB
11258421.0901/2012GB/D
WIKAoperatinginstructionstemperaturetransmitterT32.xS 35
9.4.1 Typical connection for hazardous areas (head mounting)
9. Electrical connections
HART
®
communicator
Transmitter
Hazardous area
Transmitter
Powersupply
24V
Safe area
11242175.02
9.4.2 Typical connection for non-hazardous areas
HART®
communicator
FSKmodem
Transmitter
Non-hazardous areas
Transmitter
Powersupply
24V
11242299.02
RS232-C
Bluetooth
Exia
USB
USBHART
®
modem
Terminal1-4:
sensor,see
designation
ofterminal
connections
IfRLis<250Ωintherespective
electricalcircuit,RLmustbeincreased
toatleast250Ωbyconnectingexternal
resistances.
RL=ResistancefortheHART
®

communication
RLmin.250Ω,max.1100Ω
Terminal1-4:
sensor,see
designation
ofterminal
connections
IfRLis<250Ωintherespectiveelectrical
circuit,RLmustbeincreasedtoatleast
250Ωbyconnectingexternalresistances.
RL=ResistancefortheHART
®

communication
RLmin.250Ω,max.1100Ω