9.3. Test Mode

The test mode is used to check the indicator and weighing system with test signal output.

When the test mode is used, the weighing sequence is stopped.

Caution

The test mode outputs the test signal. Therfore, the devices connected to system are influenced and it may cause mis-operation.

9.3.1.Testing Control I/O Function

Test the output of the I/O terminal. An active output of level "1" shifts for each terminal.

 

 

123 kg

CONTROL

00010001000

 

a11

a1

I/O

 

00100000000

 

b11

b1

 

 

 

Input terminal A1

Output terminal B1

9.3.2.Testing Built-in RS-485 Interface

When pressing the ENTER key each time, a test data "ST,GS,+0000000kg CR LF" is output.

123 kg

RNET

ST,GS,+0000000kg←↓

r5-485 rcu and 5nd

Received data

Sent data

9.3.3.Testing Built-in Current Loop Output

When pressing the ENTER key each time, a test data "ST,GS,+0000000kg CR LF" is output.

123 kg

RNET

ST,GS,+0000000kg←↓

Current loop 5nd

Received data

Sent data

AD-4402

Page 97

Page 99
Image 99
A&D PD4000243 manual Test Mode, Testing Control I/O Function, Testing Built-in RS-485 Interface