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Epson ColorWorks CW-C6500A Technical Reference Guide - External I/O CW-C6000/C - Page 9

External I/O Specification, Connector, Signal Definitions, Pulse signal

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Chapter 2 External I/O Specification External I/O Specification This section describes the external I/O for the printer. Connector The external I/O connectors are as follows. D-sub25 connector (female connector) Screws: Metric screws 13 1 Q NOTE 25 14 2 Be sure to use the screws to affix the connection cable and ensure the cable does not fall out. Signal Definitions Pulse signal A pulse signal is a square wave with a fixed short-term width. A low active pulse is a signal that changes sharply from High to Low, maintains a low state for a short period of time, and then sharply changes back to High. A High active pulse is a signal that changes sharply from Low to High, maintains a High state for a short period of time, and then sharply changes back to Low. If a pulse signal meets the specification for pulse width, the time for the pulse width does not matter. Pulse width of input signal As shown in below, input pulse signals that can be received must have a pulse width of 20 msec or more. Input signals with a pulse width less than 20 ms are not detected. Min. 20 msec 9

Section	Page
Restriction of Use	3
About this Manual	3
Aim of the Manual	3
Manual Content	3
Key to Symbols	4
Safety Precautions on Handling	4
Contents	5
Overview	7
Functionality	7
External device	8
External I/O Specification	9
Connector	9
Signal Definitions	9
Pulse signal	9
Level signal	10
Pin Assignment and Specification for I/O Signals	11
Specification for I/O Signals	15
Commands	17
List of Commands	17
Setting Commands	21
End print signal (output) mode settings	21
Mode setting for data ready signal (output)	23
Mode setting for clogged nozzle detected signal (output)	24
Mode setting for head maintenance signal (output)	25
Mode setting for printer ready signal (output)	26
Mode setting for warning signal (output)	27
Mode setting for error signal (output)	28
Ink low signal (output) mode setting	29
Ink cartridge exchange signal (output) mode setting	30
Paper out signal (output) mode setting	31
Mode setting for pause signal (input)	32
Mode setting for head cleaning signal (input)	33
Mode setting for clogged nozzle check signal (input)	34
Mode setting for feed signal (input)	35
Mode setting for start print signal (input)	36
Mode setting for re-print signal (input)	37
Acquisition Commands for Setting Values	38
Acquisition commands for mode setting values for end print signal (output)	38
Acquisition commands for mode setting values for data ready signal (output)	38
Acquisition commands for mode setting values for clogged nozzle detected signal (output)	39
Acquisition commands for mode setting values for head maintenance signal (output)	39
Acquisition commands for mode setting values for printer ready signal (output)	40
Acquisition commands for mode setting values for warning signal (output)	40
Acquisition commands for mode setting values for error signal (output)	40
Acquisition of mode setting value for ink low signal (input)	41
Acquisition of mode setting value for ink cartridge exchange signal (input)	41
Acquisition command of mode setting value for paper out signal (input)	42
Acquisition commands for mode setting values for pause signal (input)	42
Acquisition commands for mode setting values for head cleaning signal (input)	43
Acquisition commands for mode setting values for clogged nozzle check signal (input)	43
Acquisition commands for mode setting values for feed signal (input)	43
Acquisition commands for mode setting values for start print signal (input)	44
Acquisition commands for mode setting values for re-print signal (input)	44
Printer Statuses and Signals	45
Timing	47
Basic Timing for Label Printing	47
Basic Timing for Pausing	48
Basic Timing for Label Feeding	49
When \	49
When \	49
Basic Timing for Nozzle Check and Head Cleaning	50
Settings on the Printer	53
End Print Signal Mode Settings	53
Mode Setting for Start Print Signal	53
Mode Setting for Re-print Signal	54
Appendix	55
Cautions for Setting Jumpers	55
Figure of Jumper Settings and I/O Power Supply and Ground Connections	56
I/O signal specifications when I/O power supply and SG are separated	57

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Chapter 2

External I/O Specification

This section describes the external I/O for the printer.

Connector

The external I/O connectors are as follows.

D-sub25 connector (female connector)

Screws: Metric screws

Signal Definitions

Pulse signal

A pulse signal is a square wave with a fixed short-term width. A low active pulse is a signal that changes sharply

from High to Low, maintains a low state for a short period of time, and then sharply changes back to High. A

High active pulse is a signal that changes sharply from Low to High, maintains a High state for a short period of

time, and then sharply changes back to Low.

If a pulse signal meets the specification for pulse width, the time for the pulse width does not matter.

Pulse width of input signal

As shown in below, input pulse signals that can be received must have a pulse width of 20 msec or more.

Input signals with a pulse width less than 20 ms are not detected.

NOTE

Be sure to use the screws to affix the connection cable and ensure the cable does not fall out.

Min. 20 msec