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8
Control with External Signals (Continued)
The input signal from the external control connector turns the photocoupler
inside the Control Unit ON and OFF to set and write data. The input signal is
compatible with both the sinking and sourcing devices.
For a sinking device, the photocoupler is OFF when the input signal is high, and
for a source type, the photocoupler is ON when the input signal is high.
* The response times of the 24V LIGHT and the HLV LIGHT connectors are very different.
* If the data is rewritten during the response time for the light set value, the start of the rewrite that was input again is reset as the starting point.
Connector Layout
Input Signal and Photocoupler
Sourcing
LOW
OFF
1
Signal input
Sinking
Photocoupler
HIGH
OFF
1
LOW
ON
0
HIGH
ON
0
Data
External Control Connector Plug
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
L1
L2
B0
B1
B2
B3
B4
B5
B6
B7
CHSEL0
CHSEL1
CHSEL2
COMMON
BRTWR
TRGWR
M0
M1
M2
M3
OC
OE
Bit
Enlarged Cable Diagram
Example: Pin No. 10, pink, red 1
Pink Red 1
Orange
Orange
Gray
Gray
White
White
Yellow
Yellow
Pink
Pink
Orange
Orange
Gray
Gray
White
White
Yellow
Yellow
Pink
Pink
Black 1
Red 1
Black 1
Red 1
Black 1
Red 1
Black 1
Red 1
Black 1
Red 1
Black 2
Red 2
Black 2
Red 2
Black 2
Red 2
Black 2
Red 2
Black 2
Red 2
Orange
Orange
Gray
Gray
White
White
Yellow
Yellow
Pink
Pink
Orange
Orange
Gray
Gray
White
White
Yellow
Yellow
Pink
Pink
Black 2
Red 2
Black 2
Red 2
Black 2
Red 2
Black 2
Red 2
Black 2
Red 2
Black 3
Red 3
Black 3
Red 3
Black 3
Red 3
Black 3
Red 3
Black 3
Red 3
Light Intensity
Input (8 bits)
Lighting Mode Value
Input (4 bits)
Error Output
Channel Selection
(3 bits)
Light Intensity Write
Lighting Mode Write
EXCB2-M20-3
EXCB2-M10M20-3
Signal
Wire color Marks Wire color Marks
Cable
External Signal Connection Example
Sinking
COMMON
12kΩ
22kΩ
12
1
Sourcing
24V DC
COMMON
12kΩ
22kΩ
12
1
Signal Specifications
Rated
input voltage
Maximum
input voltage
50us max. (24V LIGHT)
100ms max. (HLV LIGHT)
24V DC
26.4V DC
14.4V DC min./
3 mA max.
5V DC max./
1 mA max.
12 kΩ (per terminal)
ON voltage/
ON current
OFF voltage/
OFF current
Response time
Input impedance
PD3 Control Unit
External Circuits
PD3 Control Unit
External Circuits
Light intensity
input B0
Light intensity
input B0
Transistor (NPN)
open collector
Transistor (PNP)
open collector
24V DC
Channel Selection Input
Light Intensity Write Input
Lighting Mode Write Input
Light Intensity Input
Photocoupler OFF
Photocoupler ON
Photocoupler OFF
Photocoupler ON
L1 light set value
(24V LIGHT)
L1 light set value
(HLV LIGHT)
L2 light set value
(24V LIGHT)
L2 light set value
(HLV LIGHT)
Lighting Mode Value Input
50 µs max. *
100 ms max. *
100 ms max. *
50 µs max. *
50 µs min.
50 µs min.
50 µs min.
Light intensity 1
Light intensity 2
Light intensity/lighting mode 2
Light intensity/lighting mode 2
Light intensity/lighting mode 1
Light intensity/lighting mode 1
Light intensity/lighting mode 1
Light intensity/lighting mode 1
Light intensity/lighting mode 2
Light intensity/lighting mode 2
Lighting mode 2
Lighting mode 1
Lighting mode 1
Sequence Diagram for Writing Data
CHSEL2 to CHSEL0
BRTWR
TRGWR
B7 to B0
M3 to M0
200 µs min.
200 µs min.
50 µs min.
200 µs min.
300 µs min.
300 µs min.
200 µs min.
300 µs min.
300 µs min.