Epson ColorWorks CW-C6500A Technical Reference Guide - External I/O CW-C6000/C - Page 11

Pin Assignment and Specification for I/O Signals

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Chapter 2 External I/O Specification Pin Assignment and Specification for I/O Signals The pin assignment and specification for I/O signals are shown below. Perform settings so that the specifications of the printer and external device match. Pin Signal 1 Signal Ground 2 Reserved 3 Reserved 4 Reserved 5 Reserved 6 Reserved 7 Signal Ground 8 Ink Low *2 9 IO Power 10 Start print *4 InputOutput *1 Pulse/Level Description - - Ground for I/O signals. Set a jumper on CN100 to keep Signal Ground and Frame Ground separate. - - This signal is reversed for the system. - - - - - - 2 - - - - Ground for I/O signals. Set a jumper on CN100 to keep Signal Ground and Frame Ground separate. Output Level Indicates whether the printer is in an ink low state. • L: Ink low • H: No ink low - - Provides 5 V (±10 %) power supply to external devices. The maximum current that can be provided is 180 mA. Set a jumper on CN200 to provide an external I/ O power supply, while also keeping Signal Ground and Frame Ground separate. Input Pulse/Level Sends an instruction to start printing. • In pulse mode, printing starts if a change from High to Low is detected. Detection occurs only when the state of the "End print" signal is High, and does not occur while printing is in progress. To print a new label, first return the signal to High, and then change it again from High to Low. • In level mode, printing starts if this signal is Low. Detection occurs only when the state of the "End print" signal is High. Printing of new labels will continue until Low is detected. • Signal logic: Low active 11

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11
Chapter 2
External I/O Specification
2
Pin Assignment and Specification for I/O Signals
The pin assignment and specification for I/O signals are shown below.
Perform settings so that the specifications of the printer and external device match.
Pin
Signal
Input-
Output
*1
Pulse/Level
Description
1
Signal Ground
-
-
Ground for I/O signals.
Set a jumper on CN100 to keep Signal Ground
and Frame Ground separate.
2
Reserved
-
-
This signal is reversed for the system.
3
Reserved
-
-
4
Reserved
-
-
5
Reserved
-
-
6
Reserved
-
-
7
Signal Ground
-
-
Ground for I/O signals.
Set a jumper on CN100 to keep Signal Ground
and Frame Ground separate.
8
Ink Low
*2
Output
Level
Indicates whether the printer is in an ink low
state.
•
L: Ink low
•
H: No ink low
9
IO Power
-
-
Provides 5 V (±10 %) power supply to external
devices.
The maximum current that can be provided is
180 mA.
Set a jumper on CN200 to provide an external I/
O power supply, while also keeping Signal
Ground and Frame Ground separate.
10
Start print
*4
Input
Pulse/Level
Sends an instruction to start printing.
•
In pulse mode, printing starts if a change from
High to Low is detected. Detection occurs
only when the state of the "End print" signal is
High, and does not occur while printing is in
progress.
To print a new label, first return the signal to
High, and then change it again from High to
Low.
•
In level mode, printing starts if this signal is
Low.
Detection occurs only when the state of
the "End print" signal is High.
Printing of new
labels will continue until Low is detected.
•
Signal logic: Low active