A&D Weighing Indicator AD-4407 Spécifications télécharger pdf (Page 59)

AD-4407 Weighing Indicator Page 57

15.

15.15.

15.

Relay Output & Control Input (OP

Relay Output & Control Input (OPRelay Output & Control Input (OP

Relay Output & Control Input (OP-

-05)

05)05)

05)

Replacing the RS-232C interface with this option, 3-relay outputs and 3-control inputs

can be used with the RS-232C interface of this option.

RS-232C functions are the same as the RS-232C interface described in “13. RS-232C

Interface”.

The solid state relays output the result of comparison.

The control inputs can control the indicator from an external terminal just like the front

panel key operations.

Set the external control function at f13 - f15 of the F-Functions.

When connecting each function pin to the common pin, the indicator makes the action.

Keep a signal width of more than 100ms for the On-time and Off-time.

ON(Make)

OFF(Break)

Pin co

Pin coPin co

Pin connections and Circuits

nnections and Circuitsnnections and Circuits

nnections and Circuits

Function Pin No. Signal name Direction Description

1 TXD Output Transmit data

2 RXD Input Received data

3 DSR Output Data set ready

RS-232C

4 SG - Signal ground

5 HI Output Relay output HI

6 OK Output Relay output OK

7 LO Output Relay output LO

Relay

output

8 COM(out) - Relay output common

9 EXT1 Input Control input 1 (f13)

10 EXT2 Input Control input 2 (f14)

11 EXT3 Input Control input 3 (f15)

Control

input

12 COM(in) - Control input common

FG 13 FG - Frame ground (case)

15. Relay Output & Control Input (OP-05)

        







Relay output RS-232C



        

  

   

Control input Case

















Relay specifications

Maximum voltage

DC50V

Maximum current

DC100mA

Maximum resistance

More than 100ms

1 2 ... 54 55 56 57 58 59 60 61 62 63 64 65 66

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A&D Weighing Indicator AD-4407 Spécifications Page 59

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