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6 INPUT/OUTPUT
121
6.2.2
Parallel input
This device contains the following inputs for the parallel interface. After you enable outside
input operation (See "5.2.1 Setting EXT I/O IN" (page 75) ), the following operations can be
controlled with the inputs.
The mapping of terminals to measured values for the parallel lines is as follows.
The parallel-input specification is as follows.
Note
Do not connect a live contact to the input terminal. Doing so will cause malfunctions.
For each operating action, see "5.10 Action" (page 97).
When multiple signals are sent at the same time, the inputs are given the following priority:
(1) Cleaning (2) Alarm check setting (3) Zero calibration (4) SAMPLING START. Any other inputs
entered at the same time are reserved.
Parallel inputs that are signaled for fewer than 3 seconds may not be registered by the device.
Make sure that an ON signal is sent for at least 3 seconds to guarantee proper operation.
Item
Terminal
No.
Description
Input timing
Start
cleaning
9 (+)
13 (
)
Starts cleaning
Starts operating 3 to 10 seconds after switching
from OFF (open circuit) to ON (closed circuit).
Zero
Calibration
Start
10 (+)
13 (
)
Starts the common zero
calibration.
Starts operating 3 to 10 seconds after switching
from OFF (open circuit) to ON (closed circuit).
ALARM
CHECK
SETTING
Start
11 (+)
13 (
)
Starts ALARM CHECK
SETTING.
Starts operating 3 to 10 seconds after switching
from OFF (open circuit) to ON (closed circuit).
SAMPLIN
G START
12 (+)
13 (
)
Starts SAMPLING.
Starts operating 3 to 10 seconds after switching
from OFF (open circuit) to ON (closed circuit).
Signal classification
Input/output circuit
Specification
Parallel Signal Input
No-voltage, a contact signal input
(possible to use open collector.)
Insulated input, (
) side commonality.
ON resistance: Max. 100
Open voltage: 24 V DC
Closed circuit current: Max. 600
Содержание TW-100
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