TEC B-450 SERIES, User Manual

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3-3
3. OPTIONAL KIT EO10-33003A
3.4 EXPANSION I/O INTERFACE BOARD: B-7704-IO-QM
3.4 EXPANSION I/O INTERFACE BOARD: B-7704-IO-QM (TS MODEL ONLY)
This interface board is used to connect the printer to external devices, such as a labeler.
The input/output signals from the connected external devices can control label feeding or printing and
indicates the printer state.
1
Pin description: (FCN-685J0024 connector or equivalent)
4 Power supply
5V (Supplied through the DIN connector) 5V
±
5%
5 Memory
(1) Flash memory: 8 M bit
(2) SRAM: 32 K byte
6
Buzzer: Installed.
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
Signal
IN0
IN1
IN2
IN3
IN4
IN5
OUT0
OUT1
OUT2
OUT3
OUT4
OUT5
I/O
Input
Input
Input
Input
Input
Input
Output
Output
Output
Output
Output
Output
NOTE: Controller side connector: FCN-781P024-G/P Connector or equivalent
2
Input circuit
Pin No.
13
14
15
16
17
18
19
20
21
22
23
24
Signal
OUT6
N. C
COM1
N. C
N. C
N. C
N. C
N. C
COM2
N. C
N. C
N. C
I/O
Input
-
-
-
-
-
-
-
-
-
-
-
External controller, etc.
Vcc
R
R
Photo-coupler
TPL521 (TOSHIBA)
COM1
IN0
IN5
~
Printer
Fig. 3-3
There are six input circuits, and each input is a current loop using a photo-coupler.
The anode of the photo-coupler is connected to common pin COM1 in each of the five circuits. Each
cathode is independent. The voltage of Vcc is 24 V (max.) while the diode operating current is 16 mA.