Omron 3G3AX-DI, User Manual

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2-5
2-4 Terminal Functions
2
Design
2-4 Terminal Functions
The terminal specifications list is shown below.
*1.Do not ground the terminal.
Terminal symbol Terminal name Functions Electric characteristics
Input terminal
D0 to D15 Data input terminal
Photocoupler input (1 NO contact
signal)
Available at sink/source logic
Between (D0 to 15•STRB) and
CM1
Input ON voltage: 18 V DC
Input impedance: 4.7 k
Ω
Max. allowable voltage: 27 V
DC
STRB
Strobe terminal
(Data retrieval com-
mand signal terminal)
Out
p
ut terminal
SEQ
Sequence error signal
output terminal
(Data input error signal
output terminal)
Open collector output
Available at sink/source logic
Between SEQ and CMB
Voltage drop at power-ON: 4 V
max.
Max. allowable voltage: 27 V
DC
Max. allowable current: 50 mA
CMB
Common terminal for
sequence error signal
output
Common terminal only for se-
quence error signal output
*1
−
Powe
r sup
ply
P24B
Interface power termi-
nal
24 V DC power supply for contact
input signal
(When the source logic is selected,
this terminal functions as the con-
tact input common terminal.)
Max. allowable current: 90 mA
CM1
Interface power com-
mon terminal
Common terminal for interface
power, data input and strobe termi-
nals
−