7. REMOTE CONTROL

This instrument can be remotely controlled (e.g., increments or decrements preset data) via

the REMOTE CONTROL connector.

 

 

 

 

(1)

Major Function

Increment, decrement, returning group top

 

 

(2)

Connector

57LE-40240-7700 (DDK Ltd.) or equivalent

 

 

(3)

Input Level

TTL (Pull up to +3.3 V)

 

 

(4)

Input Logic

Negative logic

 

 

 

 

(5)

Output Level

TTL (GO/NO-GO), open collector (Alarm)

 

 

(6)

Fan Out

1 each

 

 

 

 

(7)

Output Voltage

+12 V (Alarm)

 

 

 

 

(8)

Output Logic

Positive logic/negative logic (GO/NO-GO), negative logic (Alarm)

(9)

Pin Assignments

See Table 7-1

 

 

 

 

 

 

 

 

Table 7-1 Pin assignments

 

 

 

 

 

 

 

 

 

 

 

 

No.

Name

Input/Output

 

No.

Name

Input/Output

 

 

1

 

INC

Input

 

13

GO (Positive logic)

Output

 

 

2

 

DEC

Input

 

14

GO (Negative logic)

Output

 

 

3

 

RETURN

Input

 

15

NO-GO (Positive logic)

Output

 

 

4

 

Reserve

 

 

16

NO-GO (Negative logic)

Output

 

 

5

 

Reserve

 

 

17

Alarm

Output

 

 

6

 

Reserve

 

 

18

N. C.

 

 

 

7

 

Reserve

 

 

19

N. C.

 

 

 

8

 

Reserve

 

 

20

N. C.

 

 

 

9

 

N. C.

 

 

21

N. C.

 

 

 

10

 

N. C.

 

 

22

N. C.

 

 

 

11

 

GND

GND

 

23

GND

GND

 

 

12

 

GND

GND

 

24

GND

GND

 

＊About REMOTE CONTROL connector

•Do not apply external voltage to the output pins except Alarm pin.

•All pins are pulled up to +3.3 V. When externally control this instrument, do not apply

voltage exceeding +5.0 V or negative voltages.

＊Recalling preset conditions via the REMOTE CONTROL connector

•The preset conditions between the Begin and End address can be recalled by using the INC/DEC pins. The INC, DEC, and RETURN pins are Low active. Assert for at least one second.

•After setting is performed, wait for at least one second for the next setting.

＊GO/NO-GO output pins

•Outputs TTL High or Low for GO/NO-GO judgement. ＊Alarm output pin

•Outputs OR of three types of alarms displayed on the top screen in negative logic. Since the open collector output is used, pull up the circuit for connection.

＊Operation while using GPIB and Ethernet

•The REMOTE CONTROL connector is enabled even when operating the instrument via the GPIB (in remote control mode) and Ethernet. When the REMOTE CONTROL connector is not used, disconnect any equipment from the connector.

7-1