Omron C200HE-CPU11 User Manual

72
For standard I/O Units:
7.2
2.4 x I – 3
––––––
R =
kΩ max.
W =
2.3
R
–––
W min.
I = leakage current in mA
The previous calculations are based on the following equations.
I
R
Input voltge (24)
Input current (10)
R )
Input voltage (24)
Input current (10)
v OFF voltage (3)
W w
Input voltage (24)
R
Input voltage (24) Tolerance (4)
When using a two-wire sensor with a 12-VDC or 24-VDC input device, check
that the following conditions have been met. Failure to meet these conditions
may result in operating errors.
1, 2, 3... 1. Relation between voltage when the PC is ON and the sensor residual volt-
age:
V
ON
x V
CC
– V
R
2. Relation between voltage when the PC is ON and sensor control output
(load current):
I
OUT
(min) x I
ON
x I
OUT
(max.)
I
ON
= (V
CC
– V
R
– 1.5 [PC internal residual voltage])/R
IN
When I
ON
is smaller than I
OUT
(min), connect a bleeder resistor R. The
bleeder resistor constant can be calculated as follows:
R x (V
CC
– V
R
)/(I
OUT
(min.) – I
ON
)
Power W y (V
CC
– V
R
)
2
/R × 4 [allowable margin]
Note The residual voltage in the PC is 4.0 V for the following Units:
C200H-ID211/ID212/IM211/IM212/INT01
The residual voltage is 1.5 V for all other Units.
Precautions when
Connecting a Two-wire
DC Sensor
Wiring
Section 3-2

Omron C200HE-CPU11 Specifications

General

Category	Controller
Manufacturer	Omron
Model	C200HE-CPU11
Communication Ports	RS-232C
Power Supply	24 VDC
Operating Temperature	0 to 55°C
Humidity	10% to 90% (non-condensing)
Shock Resistance	147 m/s²
CPU Type	8-bit
Vibration Resistance	10 to 57 Hz, 0.075 mm amplitude