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