Hioki SS7012 Bedienungsanleitung

DC SIGNAL SOURCE

Remote Operation Manual

SS7012

March 2010 Revised edition 1 SS7012A983-01 10-03H

Contents

Introduction.................................................................................1

Safety Information......................................................................1

SS7012 Remote Interface Overview..........................................2

Connect a USB cable.................................................................3

Setting Remote Interface Parameters........................................3

Enabling key operation...............................................................3

Commands Summary.................................................................4

Response Messages..................................................................5

Command Message List.............................................................6

Examples of sending commands .............................................12

Contents

Introduction

This manual details the methods to operate the SS7012 DC Signal Source using

communication functions, as well as all the commands used by the SS7012.

When the communication function is used, the SS7012 can be manually oper-

ated using communication terminal software. Furthermore, application software

to automatically control the SS7012 can be run.

The following symbols in this manual indicate the relative importance of cautions

and warnings.

Introduction

Safety Information

Indicates that incorrect operation presents a possibility of injury to the

user or damage to the instrument.

Indicates advisory items related to performance or correct operation

of the instrument.

SS7012 Remote Interface Overview

Figure 1 shows a block diagram of the SS7012 remote interface.

Operating

principle Communication between a personal computer and the SS7012 is virtual RS-232

serial communication. While the USB interface is installed as the transmission

route, actual communication uses RS-232.

It is necessary to issue RS-232 commands via the virtual COM port.

When RS-232 commands are issued to the virtual COM port, commands are

sent to the SS7012 in the following order. (For the receipt of data, the order is

reversed.)

SS7012 Remote Interface Overview

USB signal

Virtual COM

(Virtual RS-232C) port

USB ⇔ RS-232 conversion

application

USB A connector

Central processing unit

(CPU)

USB ⇔RS-232

conversion device

USB B connector

USB signal

USB device driver

Communication terminal

software or application software

RS-232

compatibility signal

USB cable

Baud rate : 9600bps (fixed)

Data bit : 8bit (fixed)

Parity : none (fixed)

Stop bit : 1 (fixed)

Flow control : none (fixed)

SS7012 Personal Computer (PC)

Figure 1: Overview block diagram of the SS7012 remote interface

(PC internal) Virtual COM port

(Communication signal via RS-232)

(PC internal) USB ⇔RS-232 data conversion

USB

(SS7012 internal) USB ⇔RS-232 conversion device

(SS7012 internal) CPU

(Communication signal via RS-232)

Sending a command Receiving data

Connect a USB cable

Before connecting the USB cable, install the USB driver on the personal com-

puter. The USB driver is located on the CD that accompanied the SS9000 Com-

munication Package.

For installation instructions, please refer to the instruction manual of the SS9000

Communication Package.

After installing the USB driver, connect the personal computer and SS7012 as

shown in Figure 2. The virtual RS-232 COM port will be automatically assigned

to the USB port.

In order to send communications, the serial interface parameters of the SS7012

and personal computer must match.

Table 1 shows the settings required for communication. These parameters are

fixed. If any other settings are used, communication is not possible.

While the SS7012 is communicating, key operation of the SS7012 cannot be

used. (On the LCD of the SS7012, is on.)

To enable key operation of the SS7012, push the LOCAL key of the SS7012.

goes out.

Connect a USB cable

Figure 2: Cable connection for Communication

Setting Remote Interface Parameters

Table 1: Remote Interface Parameters (All fixed values)

Item Parameter Fixed settings

1 Baud rate 9600

2 Data bit 8

3 Parity None

4 Stop bit 1

5 Flow control None

Enabling key operation

Commands Summary

Overview of Command Type and Format

All commands can be entered in upper and lowercase.

Command Format and Query Format

The commands control instrument functions.

The following example shows a command and its associated query:

Example 1:

(Transmission command)

(Response 1)

(Response 2)

CVV 1.0000<CR><LF> (Set the source voltage value to 1 V.)

OK<CR><LF> (When the transmission command was sent

normally)

CMD ERR<CR><LF> (When there is an error in the transmission com-

mand)

Example 2:

(Transmission command)

(Response 1)

(Response 2)

RMV?<CR><LF> (Query the voltage monitor value)

1.0000<CR><LF>

CMD ERR<CR><LF> (When there is an error in the transmission com-

mand)

Query Command

The query command ends with a question mark "?".

Terminator (delimiter)

A terminator is a character, which identifies the end of a command string. A valid

terminator consists of two-byte data:

<CR> (Carriage Return, ASC(&H0D))

<LF> (Line Feed, ASC(&H0A))

Commands Summary

Response Messages

Return Result After the instrument executes a query command the return of the result will be in

the following format:

The format of measurement data will be shown as following:

The format of monitor data will be shown as following:

The format of setting command will be shown as following:

(Response 1) OK<CR><LF> (When the setting command was pro-

cessed normally)

(Response 2) CMD ERR<CR><LF> (When there is an error in the transmis-

sion command)

Data Types Returned message is the ASCII string from the instrument responding to a

query.

A query is a command followed by a question mark.

The following table 2 is explanation for data types.

Response Messages

Table 2: Data Types of Responding Message and Parameter

Data Type Explanation Example

NR1 An integer 0, 1, 2, 3, etc.

NR2 This numeric rep-

resentation has

an explicit radix

point.

+13.234, 400.0, etc.

ASCII ASCII string XXXXXXXXXXXX (device ID etc.)

When key operation is used with the SS7012 and memory write mode or mem-

ory clear mode is enabled, commands are disabled and “CMD

ERR<CR><LF>” is returned. Before sending a command, always exit memory

write mode or memory clear mode.

See: Memory write mode Instruction manual of the SS7012 (p. 53)

Memory clear mode Instruction manual of the SS7012 (p. 61)

Command Message List

1. Sourcing

1-1. Normal source

Command Message List

Command Description Formats

FCC Set the source function.

The setting value will be 0, the output will be "OFF."

d1 (Setting of source function: 0 to 4)

0: CV:2.5V

1: CV:25V

2: CC:25mA

3: TC:0°C

4: TC:RJ

[Format]

FCC d1

d1: NR1 format

[Response]

OK or CMD ERR

FCC? Query the setting of source function.

The contents of responses are the same as the settings. [Format]

FCC?

[Response]

d1: NR1 format

OUT Set the output ON or OFF

d1 (Setting of output: 0 to 1)

0: OFF

1: ON

A CMD ERR response is issued in the following situations.

Furthermore, bit2 of the ERR? Query is 1.

1. When all memory is SKIP in recall source mode or scan

source mode

2. In the battery low status

3. In TC:RJ function, when no temperature probe is

connected or the measurement temperature is outside

the -25°C to 80°C range

4. In TC:RJ function, when the thermocouple type is B and

the measurement temperature is less than 0 ºC

[Format]

OUT d1

d1: NR1 format

[Response]

OK or CMD ERR

OUT? Query the output setting

The contents of responses are the same as the settings. [Format]

OUT?

[Response]

d1: NR1 format

CVV Set the source voltage value

This command is valid only in CV:2.5V or CV:25V.

d1 (Source voltage value (in CV:2.5V): unit; V)

-2.5000 to 2.5000

d1 (Source voltage value (in CV:25V): unit; V)

-25.000 to 25.000

[Format]

CVV d1

d1: NR2 format

[Response]

OK or CMD ERR

CVV? Query the source voltage value

This command is valid only in CV:2.5V or CV:25V.

The contents of responses are the same as the settings.

[Format]

CVV?

[Response]

d1: NR2 format

d1: SKIP (ASCII format, when a

skip setting in memory

source)

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