User manual

Chapter 1 – PS-B Unit Basics
PS-2000B Series User Manual
1–8
1.4.2 RAS Interface (RAS)
D-sub 25-pin (Male)
Inch-type screws
#4-40UNC
Pin No. Signal Name Pin No. Signal Name
1GND14GND
2 +5V (100 mA max.) 15 +5V
3 +12V (100 mA max.) 16 DIN3 (+)
4 NC 17 DIN3 (-)
5 DIN2 (+) 18 RST (+)
6 DIN0 (+) 19 DOUT1 (-)
7 DOUT2 (-) 20 DOUT1 (+)
8 DOUT2 (+) 21 DOUT3 (-)
9 DOUT0 (-) 22 DOUT3 (+)
10 DOUT0 (+) 23 RST (-)
11 DIN2 (-) 24 DIN1 (-)
12 DIN0 (-) 25 NC
13 DIN1 (+)
Be sure to use only the rated voltage when using the external power
output of No. 2 (+5V) and No. 3 (+12V); otherwise a malfunction or unit
breakdown may occur.
For RAS feature details, refer to 5.1 RAS Features.


 External Input Signal (Common for DIN and RST Input)
Input Voltage DC12V to DC24V
Input Current 7 mA
Operating Voltage ON voltage: 9V (min.), OFF voltage: 3V (max.)
Isolation Method Via a photocoupler
(Interface Circuit)
(Connection Example)
Cable
No polarity due to the
Sink/Source input.
DIN0(+), DIN1(+)
DIN2(+), DIN3(+)
RST(+)
(12 to 24V)
R
PC357
DIN0(-), DIN1(-)
DIN2(-), DIN3(-)
RST(-)
D-sub 25-pin connector
+5V
1.8k
Ω
1/10W
1.8k
Ω
1/10W
R
DC12V to
DC24V
Switch or a certain
switching device