
4-20
FLOW
TS4
24V
OUT
4-20
#2
Red 1
Red2
Yel 3
Wh 4
Wh 5
PULSE
/ALM
TS2
TS1
F1
J2
1
24V, 0.75A
2
3
IN
+1
+1 -2
-2
+3
-4
+5
-6
+7
-8
TS3
REMOTE
SENSOR
+24VDC
+24VDC
4 to 20mA FLOW RATE
4 to 20mA TEMPERATURE OR
FLOW RATE
24VDC Return
Customer PLC or DCS
MTI10
MTL10
24VDC Return
* (see important note below)
* (see important note below)
4 to 20mA Output Wiring: Customer-Supplied Power Source
Bring the 4 to 20mA wiring in through the right-hand conduit hub.
Connect FLOW RATE 4 to 20mA wiring to TS2, 1(+) & 2(-). Connect 4 to
20mA output #2 wiring to TS2, 3(+) & 4(-).
Fig. 3.4: 4 to 20mA Output Wiring for Customer-Supplied Power
Source
Important Note
The load resistor on the MTI10/MTL10 Flowmeter 4 to 20mA signal
is typically 250 ohms and is located in or at the customers PLC or
DCS. A 250 ohm resistor in the 4 to 20mA line will result in a 1 to
5VDC signal to the PLC or DCS. Some PLC/DCS equipment has
the load resistor built in to the unit; please refer to the PLC/DCS
technical manual.
Do not exceed a 600 ohm load on the MTI10/
MTL10 Flowmeter 4 to 20mA signal.
19
Wiring: Signal Wiring
4 to 20mA Loop
Power Provided
by Customer
(Recommended)