With relay
G
Without relay
H
With relay
4-20 mA / HART (Current source)
I1
PWR+
PWR-
PWR-
4-20 mA
PE
4-20 mA / HART (Current sink)
I2
PWR+
PWR-
PWR-
4-20 mA
PE
I3
4-20 mA / HART (separate power supply, current source)
PWR+
PWR-
PWR-
4-20 mA
PE
+
mA
VDC
-
+
mA
VDC
-
+
VDC
-
mA
PWR+
PWR-
PWR-
4-20 mA
PE
PWR+
PWR-
PWR-
4-20 mA
PE
H1
Stand-alone, relay only
PWR+
PWR-
PWR-
4-20 mA
PE
Cable specifications
Power supply and signals: 24 - 12 AWG / 0.2 - 2.5 mm²
Relays: 20 - 12 AWG / 0.5 - 2.5 mm²
PWR+
I1
PWR-
PWR-
I2
4-20 mA
I3
PE
H1
PWR+
PWR-
I1
PWR-
4-20 mA
I2
PE
I3
+
VDC
-