4 Operation
57
DOEF series
Matsusada Precision
4-5-4 LD (Interlock) Function
An external signal is used to control the interlock function.
When the signal is opened the output is turned off and the unit moves to a fault state.
In order to enable the function, follow the procedures below.
1. Select
“LD” in the SYSTEM setting screen using the downward movement switch
“▼”..
2. Set
“EN” by turning the DIAL.
3. After the setting is complete, press the SET/SAVE switch to save the change
Fig. LD function setting
[Connection]
The connection is shown below.
Use a TTL signal or a relay contact for the external setting.
[Signal logic]
Open: Abnormal. The unit is in a fault state.
Close: Normal
[How to clear the fault state]
a. Close the external relay for LD or set the TTL signal for it to low and then press the OUTPUT
switch.
b. In the case where the LS signal has been used,
first, close the external relay for LS or set the TTL signal for it to low,
second, open it or set the signal to high
The function is activated when
“EN” is set here.
18
4
External relay
(COM)
(COM)
TTL LOW
=
Normal
TTL HIGH
=
Abnormal
or
External relay CLOSE
=
Normal
External relay OPEN
=
Abnormal
TTL signal
-
+
5kΩ
100Ω
External connection
Internal circuit
Summary of Contents for DOEF Series
Page 1: ...Instruction Manual F RA 001 3R2 MODEL DOEF series B N 243 9 024 243 9 024 Rev 0 4 ...
Page 15: ...2 External Appearance 7 DOEF series Matsusada Precision 2 3 Dimensions 2 3 1 400W Model ...
Page 16: ...2 External Appearance 8 DOEF series Matsusada Precision 2 3 2 600W Model ...
Page 17: ...2 External Appearance 9 DOEF series Matsusada Precision 2 3 3 1200W Model ...
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