1-42 ● Connection of signals
1.5.3-10 Online signal output
Connection of signals outputted to the outside when the IJ printer is online
(a) Wiring
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If a relay, solenoid, or other inductive load is employed, connect a counter-
electromotive force generation prevention diode in parallel with the load.
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The load circuit is for DC only. It cannot be used with an AC load.
Output specifications
GND
Vd
IL
V
CE
+12V
Tr
GND
IJ printer External device
TB1
17
13
¡
The output transistor (Tr) is of an open collector type. It operates as indicated below.
Online : Tr ON
Offline : Tr OFF
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The voltage and current used by the external device must meet the following
specifications.
IL≦20mA (V
CE：TYP0.6V, MAX2V)
The IL maximum permissible current is 50 mA.
Vd≦DC30V
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