Name And Function Of Each Terminal At Rear Panel - Hitachi L-2100 Instruction Manual

Table 3-1
Classi-
Name Function
fication
Output TIMER Contact
(1 to 4) turns
on/off
according
to coded
setting in
EVENT of
the
program.
PRESS Pressure
OUT value is
output to
the
exterior.
Input PUMP Pump ON
ON IN from
external
system.
PUMP Pump OFF
OFF IN from
external
system.

Name and Function of Each Terminal at Rear Panel

Contents of
Signal
• Timer
The ON/OFF
signal can
output to
ON: CLOSE
each TIMER by
specifying an
CLOSE
ON/OFF EVENT
code at a
desired time
OFF: OPEN
of a time
program.
OPEN
1-second
CLOSE signal
can output at
each TIMER by
• Pulse
specifying
pulse EVENT
OPEN
code at a
desired time
of a time
program.
1 s
CLOSE
0 to 1 V DC
OPEN ∗
50 ms
or longer
3 - 3
Contents of
Processing
• TIMER No. and Event code
TIMER
No.
1
2
3
4
• Pump can be stopped by specifying
00 for EVENT, and buzzer can be
rung by specifying 92.
1) Becomes OFF when the pulse is
output in the ON status.
2) OFF has priority over ON.
3) Contact output specification of
each terminal
Voltage ... 30 V DC max.
Current ... 100 mA max.
• 1 V = Approx. 49 MPa
(Approx. 7106 psi)
Maximum current connectable: 10 mA
∗ Edge jugement
3.10
Remarks
Signal
Pulse
OFF ON
10 11 12
20 21 22
30 31 32
40 41 42