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9
1. Controls and Functions
1-2-2. Control I/O terminal block
A1
A9
B1
B9
1-2-3. Control I/O signals
Pin
assignment
Signal
name
Description
Pin
assignment
Signal
name
Description
A1
V-OUT
Voltage
An output voltage of about 2 V for an
input of 1 mV/V is produced, which is
proportionate to the sensor output.
V-OUT is not isolated from the internal
circuit.
A negative output voltage for this
output is generated from B1.
Make sure that the cable you use is as
short as possible.
B1
COM
Voltage output -
Negative output voltage for A1
A2
NC
No connections. Do not use for relay
connections.
B2
LL
LL decision output
(a contact)
A3
B3
LO
LO decision output (a contact)
A4
B4
COM
Common terminal for B2 and B3
A5
CLEAR
To clear a hold mode other than the
sample hold mode, set this signal to
ON.
To disable this signal, set Enable CLEAR
Signal (F2-8) to OFF.
B5
HH
HH decision output
(a contact)
A6
JUDGE
This is the control signal for decision
outputs. Only while the control signal
is ON, decision outputs are enabled.
To disable the signal, set Enable JUDGE
Signal (F3-8) to OFF.
B6
HI
HI decision output
(a contact)
A7
HOLD
This is the start signal for a hold
mode. While the signal is ON, a hold
operation is performed.
To disable the signal, set Hold Mode
(F2-1) to 0.OFF (disable hold).
B7
COM
Common terminal for B5 and B6
A8
D/Z
This signal digitally sets a reading to
zero. The function is enabled only
while both CAL Lock (F3-5) and Enable
Digital Zero (F3-1) are ON. When the
TD-260T is turned off, the digitally set
zero is cleared.
B8
OK
OK decision output (a contact)
A9
COM
This is the common terminal for A5,
A6, A7, and A8. A photocoupler is used
to isolate signals from A5 to A9 and
the TD-260T internal circuit.
B9
COM
Common terminal for B8
Connector used: Weidmüller S2L-SMT-3.50/1890LF3.2 SN BK BX
Applicable plug: Weidmüller B2L 3.50/18/180F SN BK BX