SRT1-IDjP/ODjP
SRT1-IDjP/ODjP
79
Precautions
Refer to the
CompoBus/S Operation Manual (W266)
before
using
the Unit.
Refer to page
80 for precautions common to all SR
T1 T
erminals.
Correct Use
Noise
Protection Circuit
Add the following protection circuit if noise is generated from the
power supply
, input section, or output section.
Power Supply Noise Protection Circuit
L: Coil for the common mode
Install the coil near the SR
T1.
50
V
100 µF
50 V
0.1
µF
BS)
L
V
BS*
Input
Section Noise Protection Circuit
C:
0.1
µ
F min.
R:
Resistor for limiting current to PC
PC: Photocoupler
Input device
0 to 15
V
R
G
PC
C
Output
Section Noise Protection Circuit
V
1
and V
2
: Power supply.
R:
Resistor for limiting current to PC
PC: Photocoupler
Load
0
to 15
G
V
2
PC
R
V
1
5-V Output Terminals
The
5-V Output T
erminals have positive power supplies (maximum
output
current of 20 mA) for the ERR and COMM LED. Use them as
shown
below
. Recommended LED colors are red for ERR and
yel
-
low
for COMM.
W
iring Method
R:
LED current limiting resistor
LED1:
LED for COMM
LED2:
LED for ERR
The maximum current for the LED1 and 2 is 10 mA.
LED1
RR
5 VOUT
COMM
ERR
LED2
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