G4IDC5Q - OPTO 22 - Datasheet.Live

I/O MODULES

QUADRATURE

Form 548-040728

DATA SHEET

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Opto 22 • 43044 Business Park Drive • Temecula, CA 92590 • Phone: (951) 695-3000 • (800) 321-OPTO • Fax: (951) 695-3095 • www.o pto22.com

Inside Sales: (800) 321-OPTO • Product Support: (800) TEK-OPTO • (951) 695-3080 • Fax: (951) 695-3017 • Email: support@opto22.com

The G4IDC5Q quadrature input module pair is designed to allow a digital mistic 200 multi-function I/O Brick to resolve positional

information from quadrature encoder devices. The module will output a pulse to the Brick each quadrature state changes. The

Brick will count the module outputs and keep track of direction of rotation.

Description

Features

• 4000 Vrms transient optical isolation

• Built-in LED status indicators

• 4 times encoder resolution

• Installs on mistic 200 bricks

• Input signals in 4-16 VDC range

Part

Numbers Description

G4IDC 5Q G4 D C Input, 4-16 VD C , 5 VDC Logi c, 2-Channel Quadrature

I/O MODULES

QUADRATURE

Form 548-040728

DATA SHEET

page 2/4

Opto 22 • 43044 Business Park Drive • Temecula, CA 92590 • Phone: (951) 695-3000 • (800) 321-OPTO • Fax: (951) 695-3095 • www.o pto22.com

Inside Sales: (800) 321-OPTO • Product Support: (800) TEK-OPTO • (951) 695-3080 • Fax: (951) 695-3017 • Email: support@opto22.com

Module Operation

The G4IDC5Q Quadrature Module pair will convert a quadrature signal to a pulse stream which is output on one of the two

logic side outputs. The active output is determined by the direction of rotation of the encoder. One 0.8 microsecond pulse is output

for each change of quadrature state transition. The actual resolution of the position count is 4 times the encoder resolution (pulses

per revolution).

The G4IDC5Q is actually a pair of modules, one of which is labeled “A”, the other “B”. When the signal into the module A leads

the signal into module B, the output will be on module A. When the signal into module B leads the signal into module A, the output

will be on module B.

On a Digital mistic 200 I/O Unit, quadrature input channels must be configured in pairs, with the lower channel number being

even. Therefore the only quadrature pairs allowed are channels 0 & 1, 2 & 3, 4 & 5, 6 & 7, 8 & 9,, 10 & 11, 12 & 13, and 14 & 15.

The positional count will increment when the signal into the odd numbered channel leads the signal into the even numbered

channel. It will decrement when the signal into the even numbered channel leads the signal into the odd numbered channel.

Since the Digital mistic 200 I/O Unit has a maximum input frequency, 50% duty cycle, of 12.5 KHz, as shown in the

specifications below, then:

Maximum Allowable Encoder RPM (at 50% duty cycle) = 12,000 pulses/sec X 60 sec

encoder pulses/rev 1 minute

Specifications

Logic Voltage 5 VDC

Operati ng Ambient Temperature -30° C to 70° C

Isolation i nput-to-output 4,000 V

RMS

Input Voltage Range 4-16 VDC

Input Current 8 mA (constant)

Input Allo wed for No Outp ut 1 V

Logic Supply Current @ 5 VDC 60 mA

Maximum Inp ut Freq uency,

50% Duty Cycle 12.5 kHz

Mi ni mum Ti me Betwee n

Quadrature State Changes at 90° 20 µsec

I/O MODULES

QUADRATURE

Form 548-040728

DATA SHEET

page 3/4

Opto 22 • 43044 Business Park Drive • Temecula, CA 92590 • Phone: (951) 695-3000 • (800) 321-OPTO • Fax: (951) 695-3095 • www.o pto22.com

Inside Sales: (800) 321-OPTO • Product Support: (800) TEK-OPTO • (951) 695-3080 • Fax: (951) 695-3017 • Email: support@opto22.com

Connection Diagram

I/O MODULES

QUADRATURE

Form 548-040728

DATA SHEET

page 4/4

Opto 22 • 43044 Business Park Drive • Temecula, CA 92590 • Phone: (951) 695-3000 • (800) 321-OPTO • Fax: (951) 695-3095 • www.o pto22.com

Inside Sales: (800) 321-OPTO • Product Support: (800) TEK-OPTO • (951) 695-3080 • Fax: (951) 695-3017 • Email: support@opto22.com

Products

Opto 22 produces a broad array of reliable, flexible hardware and

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