Electrical connections, 2 typical connection for non-hazardous areas, Non-hazardous areas – WIKA T32.xS Benutzerhandbuch
Seite 35: Wika operating instructions model t32.xs 35, Hazardous area, Safe area
GB
11258421.10 08/2014 GB/D
WIKA operating instructions model 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