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RLY 24-20 PROGRAMMABLE SWITCH

24 dual/single pole relays for controlling external switching applications.

20 I/O digital interface for data transfer of general purpose data signals


A compact multifunction switching unit and digital interface.

PROGRAMMABLE SWITCH

INPUT / OUTPUT

24 relays may be configured individually or grouped to form a complex switching system.
Control is via the IEEE-488 interface bus. A front panel LED display indicates relay operation.
A form A version will allow external devices to be switched on/off with simple commands.
A form C version is also available for complex switching between external devices.

As an added feature the unit has a digital I/O interface that enables an IEEE-488 controller to programmable 20 bits of TTL level signals as either inputs or outputs which is particularly convenient for monitoring the condition of external devices switched by the relays. Source, handshake and control lines are also provided.

SPECIFICATION

APPLICATIONS

Switch  

Type
Contact Res
Rating

Form A

Dry reed
<200mW
200Vdc
0.5A

Form C

Dry reed
<200mW
175Vdc
0.25A

  • Control of simple or complex switching systems.
  • Programmable switching control for ATE.
  • Data acquisition and logging systems.
  • Process control
IEEE-488 Source Handshake (SH1).
Address Handshake (AH1).
Talk (T4).
Listen (L2).
Serial Poll (SR1).
ORDERING INFORMATION PART No.
230V version.
110V version.
RLY 24-20-230
RLY 24-20-110

 

FULL DATA
SHEET AVAILABLE

Connection Three 25 way 'D' type sockets each provide 8 single pole change over relay connections.
One 25 way 'D' type socket provides 20 I/O and associated control lines.
Mechanical 1u rack mounted unit, 270mm depth.
Supply 230V or 110V versions.
 

 

 

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