Sharp CP-SR421 Manuale Utente Scaricare il pdf (Pagina 60)

3. SIGNALS AND WIRING

3 - 19

Device Abbreviation Function and application

Warning WNG When warning has occurred, WNG turns on. Without warning occurring, WNG turns off about 2.5 s

to 3.5 s after power-on.

Battery warning BWNG BWNG turns on when [AL. 92 Battery cable disconnection warning] or [AL. 9F Battery warning] has

occurred. When the battery warning is not occurring, BWNG will turn off about 2.5 s to 3.5 s after

power-on.

Variable gain

selection

CDPS CDPS will turn on during variable gain.

Absolute position

undetermined

ABSV ABSV turns on when the absolute position erased.

The device cannot be used in the speed control mode and torque control mode.

During tough drive MTTR When a tough drive is enabled in [Pr. PA20], activating the instantaneous power failure tough drive

will turn on MTTR.

3.5.3 Output signal

Signal name Abbreviation

Connector

pin No.

Function and application

Encoder A-phase

pulse

(differential line

driver)

LAR

CN3-6

CN3-16

Encoder B-phase

pulse

(differential line

driver)

LBR

CN3-7

CN3-17

These devices output pulses of encoder output set in [Pr. PA15] and [Pr. PA16] in the

differential line driver type.

In CCW rotation of the servo motor, the encoder B-phase pulse lags the encoder A-

phase pulse by a phase angle of ʌ/2.

The relationships between rotation direction and phase difference of the A-phase and B-

phase pulses can be changed using [Pr. PC03].

Output pulse specification, dividing ratio setting, and electronic gear setting can be

selected.

Encoder Z-phase

pulse

(differential line

driver)

LZR

CN3-8

CN3-18

Outputs the zero-point signal in the differential line driver type of the encoder. One pulse

is output per servo motor revolution. Turns on when the zero-point position is reached.

(negative logic)

The minimum pulse width is about 400 ȝs. For home position return using this pulse, set

the creep speed to 100 r/min. or less.

Analog monitor 1 MO1 CN3-4 Used to output the data set in [Pr. PC09] to across MO1-LG in terms of voltage.

Resolution: 10 bits or equivalent

Analog monitor 2 MO2 CN3-14 This signal output the data set in [Pr. PC09] to between MO2 and LG in terms of voltage.

Resolution: 10 bits or equivalent

3.5.4 Power supply

Signal name Abbreviation

Connector

pin No.

Function and application

Digital I/F power

supply input

DICOM CN3-5

CN3-10

Input 24 V DC (24 V DC ±10% 200 mA) for I/O interface. The power supply capacity

changes depending on the number of I/O interface points to be used.

For sink interface, connect + of 24 V DC external power supply.

For source interface, connect - of 24 V DC external power supply.

Digital I/F common DOCOM CN3-3 Common terminal for input device such as EM2 of the servo amplifier. DOCOM is

separated from LG.

For sink interface, connect - of 24 V DC external power supply.

For source interface, connect + of 24 V DC external power supply.

Monitor common LG CN3-1

CN3-11

Common terminal of MO1 and MO2.

Pins are connected internally.

Shield SD Plate Connect the external conductor of the shielded wire.

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Sharp CP-SR421 Manuale Utente Pagina 60

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