4 Operation
59
DOEF series
Matsusada Precision
4-5-7 Analog Remote
In order to change modes with an external signal, or set the voltage current, or frequency with an
analog signal, first enable the analog remote function using pin 23: the ANA_RMT signal.
When the analog remote function is not enabled with the ANA_RMT signal, the unit cannot be
controlled with external signals.
Moreover, in order to enable each setting or setting value, first enable the control with an external
signal using pin 5: FRQ_EN, pin 22: CVCC_EN, pin 10: DCAC}_EN, and pin 24: VCON_EN.
When they are not enabled, the unit operates with preset or default settings and values.
Input control signals after enabling the settings and setting values.
a. ANA_RMT signal:
It enables or disables the analog remote function
To enable the function, connect the signal to COM.
Fig. Analog remote is enabled.
[Connection and signal logic]
The connection is shown below.
Use a TTL signal or a relay contact for the external setting.
The unit is controlled by the analog remote.
The unit is in the remote control mode.
18
23
External relay
(COM)
(COM)
TTL LOW
=
Enabled
TTL HIGH
=
Disabled
or
External relay CLOSE
=
Enabled
External relay OPEN
=
Disabled
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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