21
�
Please comply with the system requirements together with the operating instructions and
help section included with the software�
/// USB interface:
The connected devices and their properties are detected automatically� The USB interface is
used in conjunction with software control for “remote” operation and can also be used for
software update of the device�
/// USB device drivers:
First, download the latest driver for IKA devices with USB interface from:
http://www.ika.com/ika/lws/download/usb-driver.zip
Install the driver by running the setup file� Then connect the IKA device to the PC via the USB
data cable and follow the instructions�
The data communication is via a virtual COM port�
/// Command syntax and format
The following applies to the command set:
- Commands are generally sent from the computer (Master) to the lab device (Slave)�
- The lab device sends only at the computer’s request� Even fault indications cannot be sent
spontaneously from the lab device to the computer (automation system)�
- Commands are transmitted in capital letters�
- Commands and parameters including successive parameters are separated by at least one
space (Code: hex 0x20)�
- Each individual command (incl� parameters and data) and each response are terminated with
Blank CR LF (Code: hex 0x20 hex 0x0d hex 0x20 hex 0x0A) and have a maximum length of
80 characters�
- The decimal separator in a number is a dot (Code: hex 0x2E)�
The above details correspond as far as possible to the recommendations of the NAMUR work-
ing party (NAMUR recommendations for the design of electrical plug connections for analogue
and digital signal transmission on individual items of laboratory control equipment, rev� 1�1)�
The NAMUR commands and the additional specific IKA commands serve only as low level
commands for communication between the lab device and the PC� With a suitable terminal or
communications program these commands can be transmitted directly to the lab device� The
IKA software package, labworldsoft
®
, provides a convenient tool for controlling lab device and
collecting data under MS Windows, and includes graphical entry features, for motor speed
ramps for example�
The following table summarises the (NAMUR) commands understood by the IKA equipment�
NAMUR Commands
Function
IN_NAME
Read the device name
IN_PV_2
Read medium temperature actual value
IN_SP_2
Read medium temperature set value
OUT_SP_2 V
Set medium temperature set value
Interfaces and outputs
Содержание HB digital
Страница 1: ...HB digital ...
Страница 2: ......
Страница 3: ...ENGLISH ...
Страница 4: ...Fig 1 ...
Страница 17: ...17 1 2 4 3 A A C C B B www A SET A TEMP C C SET B TEMP C C SET C TEMP C C TEMP SAFETEMP B C i www ...