Unipulse F701+ User Manual

38
4 Performing Final Discharge Control
38
Performing Final Discharge
Chapter
4
4-9-3.Connecting an external control device
The external input signal and external output signal can only be connected to either the sink type or the
source type. Please specify when placing an order.
<Equivalent circuit and connection example for when sink type is specified>
- Input
Signal input circuit inputs signal by making the short-circuit and open-circuit between input
terminals and the C
OM terminal.
Short-circuit is performed with contacts (relays, switches and so on) and non-contacts (transistors,
TTL of open collector output and so on).
- Output
Signal output circuit is the open collector output of transistor.
Vcc
Inside
IC=
COM
Push
switch
Toggle
switch
Relay
contact
Transistor
+12V
IN
IN
TTL open collector output
F701+
Open-circuit OFF
Short-circuit ON
- Do not apply voltage to the signal input circuit from outside.
- The external element must be an element in which Ic=10mA or
more can be applied.
- External element leak must be 100μA or below.
*
ON when IN is "H"
[No.2 to 5, 14 to 17]
[No.12, 24]
approx. 6mA
Vcc
Inside
COM
F701+
- Prepare an external power supply for the relay drive (vext).
- Do not short-circuit loads (such as a coil of a relay). The output
transistor will be damaged.
- Connect surge absorber or spark killer to the relay circuit (coil side and
contact side) as shown in the figure above in order to prevent surge
voltage as much as possible. This can decrease noise problems and
extend the lifetime of the relay.
+12V
Vext
Spark killer
DC power
Load
Varistor
AC power
Load
Spark killer
Output data Tr
0 OFF
1 ON
Vceo=30V(max)
Ic=120mA(max)
Relay
●Transistor status
[No.6 to 11, 18 to 23]
[No.1, 13]
supply
supply

Unipulse F701+ Specifications

General

Brand	Unipulse
Model	F701+
Category	Measuring Instruments
Language	English