Page 187 - Wagp_InterfaceElectronic_Volume4_2015_US.pdf

3

185

Simultaneous transmission of analog and digital signals 857-421

mA

20
HART - signal (digital)

3

analog signal

4

t

Connection assignment

857-421
IN OUT
Transmitter
passive
Config
+Us 1 + 1 +Us 1 5 +
Transmitter
active
+ 2 OUT 2 – 2 +IN 2 U/I
2-wire
– 3 GND 3 GND 3 6 –
3-wire
24 V DC
= =
POWER
24 V DC
7+
= 8–