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Sensor Input Type
Input Connection Diagram
ECB‑300, ECB‑400, and ECB‑600 Series:
£
0 to 20mA input used with a 2-wire, 0 to 20mA sensor powered by the controller’s internal
15VDC power supply.
£
For jumper location, see Jumper Identification and Configuration.
+
-
Sensor
0-20mA
Controller
0-20mA Input
Equivalent
Circuit
UIx
COM
To Analog-
To-Digital
Converter
249
Ω
Jumper
Setting
0-10V
0-20mA
+15VDC
ECB‑300, ECB‑400, and ECB‑600 Series:
£
0 to 20mA input used with a 2-wire, 0 to 20mA sensor powered by an external 24VDC
power supply.
£
For jumper location, see Jumper Identification and Configuration.
-
+
Sensor
0-20mA
Controller
0-20mA Input
Equivalent
Circuit
UIx
COM
To Analog-
To-Digital
Converter
249
Ω
Jumper
Setting
0-10V
0-20mA
24VDC
ECB‑300, ECB‑400, and ECB‑600 Series:
£
0 to 20mA input used with a 3-wire, 0 to 20mA sensor powered by an external 24VAC
power supply.
£
For jumper location, see Jumper Identification and Configuration.
AC
+
Common
Sensor
0-20mA
Controller
0-20mA Input
Equivalent
Circuit
UIx
COM
To Analog-
To-Digital
Converter
249
Ω
Jumper
Setting
0-10V
0-20mA
24VAC
ECB‑300, ECB‑400, and ECB‑600 Series:
£
0 to 20mA input used with a sensor powered by its own power source.
£
For jumper location, see Jumper Identification and Configuration.
+
-
Sensor
0-20mA
Controller
0-20mA Input
Equivalent
Circuit
UIx
COM
To Analog-
To-Digital
Converter
249
Ω
Jumper
Setting
0-10V
0-20mA
£
Voltage input used with a 3-wire 0 to 10VDC or 0 to 5VDC sensor powered by an external
24VAC power supply.
AC
+
Common
0-10V
Sensor
UIx
COM
To Analog-
To-Digital
Converter
24VAC
£
Voltage input used with a 0 to 10VDC or 0 to 5VDC sensor powered by its own power
source.
+
-
0-10V
Sensor
UIx
COM
To Analog-
To-Digital
Converter
£
Slow Pulse – Internal supply: 2-wire pulse meter for ECB‑203, ECB‑300, ECB‑400, and
ECB‑600 Series controllers
£
Connect the pulse input according to the figure for a pulse meter that can pull-down a
+5VDC supply with a 10KΩ pull-up resistor (internal supply type).
£
Refer to Table 1 for more information on Controller Input Support
Pulse Meter
Output
Controller
Pulse Input
Equivalent
Circuit
UIx or DIx
COM
To Pulse Count
Accumulator
+
-
10K
Ω
5VDC
£
Fast Pulse – Internal supply: 2-wire pulse meter for ECB‑300, ECB‑400, and ECB‑600 Se-
ries controllers
£
Connect the pulse input according to the figure for a pulse meter that requires more than
5VDC to operate using built in controller power source from 6VDC to 15VDC maximum.
£
Refer to Table 1 for more information on Controller Input Support
Pulse Meter
Output
Controller
15VDC
COM
+
-
Suitable current-limiting resistor as
recommended by the pulse meter’s
manufacturer (field supplied)
UI1 to UI4
To Pulse Count Accumulator
Trigger Threshold: 2.5Volts
23.5k
Ω
Equivalent Load
£
Fast Pulse – External supply: 2-wire pulse meter for ECB‑300, ECB‑400, and ECB‑600 Se-
ries controllers
£
Connect the pulse input according to the figure for a pulse meter that requires more than
5VDC to operate using an external power source from 6VDC to 27VDC maximum.
£
Refer to Table 1 for more information on Controller Input Support
Pulse Meter
Output
Controller
COM
To Pulse Count Accumulator
Trigger Threshold: 2.5Volts
+
-
Suitable current-limiting
resistor as recommended
by the pulse meter’s
manufacturer (field supplied)
Power Source
6 to 27VDC Max.
UI1 to UI4
23.5k
Ω
Equivalent Load
Table 2: Input Wiring
