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Instruction Manual

EL 9000 A Series

Date: 11-16-2011

Settings

CAN Baud rate

Possible settings:

10kBd

20KBd

50kBd

100kBd

125kBd

250kBd

500kBd

1MBd

Default setting:

100kBd

Belongs to: CAN interface card IF-C1
Explanation: determines the transmission speed of the

CAN bus messages. If you connect the CAN card to an

existing network, you got to set the same baudrate here

as the bus is using, becaus any device in a bus has to

use the same bus speed.

CAN ID System

(available since firmware 5.01)

Possible settings:

normal, Vector

Default setting:

normal

Belongs to: CAN interface card IF-C1
Explanation: with this, the user selects whether to use

the

normal

CAN ID system with 2 IDs per unit or the new

Vector

compatible CAN ID system with 3 IDs per unit. With

setting

normal

, the two IDs per unit build from the

Device

node

and the

Relocatable ID

(see external interface cards

manual for calculation scheme). With setting

Vector

, the

device will be assigned three CAN IDs, starting from the

base ID (see below), which is adjustable in steps of four

withing the whole ID range (11 bits, 0...2047). An addi-

tional ID is assigned as broadcast ID, which is seperate

from the three base IDs.
Note: depending on the setting being

normal

Vector

subsequent parameters will change.

CAN Relocatable ID

Possible settings:

0...31

Default setting:

Belongs to: CAN interface card IF-C1
Explanation: this determines the relocatable address

segment in which the CAN IDs of the device are located.

For further information refer to basic CAN topology datas-

heets. Example: if the electronic load has to be assigned

to address 5 by certain reasons and this would collide

with another bus member with the same address, you can

move the address to another segment by defining the RID

(short for relocatable ID), so that no collision can occur.

Hence there are, theoretically, 32 x 30 possible device

nodes (with two IDs each) available when using CAN.

7. Device configuration

7.1 The setup menu

The setup menu can only be activated by the selector

Level(3), except during remote control. While the load is

in setup, no normal load operation is possible.
The display shows a certain number of parameters,

depending on which interface card is installed. The para-

meters are selected by knob

Selection(5) and changed

with knob

Setting(6). Two small triangles on the right

side of the display indicate that multiple parameters are

available. The display furthermore shows the type string

of the installed card in the first line, for example

IF-U1

, if

one is equipped:

Figure 14

The second line subsequently shows all available para-

meters which are selected by

Selection(5). The number

of parameters varies depending if an interface card is

equipped or not.
There are following settings:

Trigger mode

Possible settings:

internal, external

Default setting:

internal

Belongs to: Device
Explanation: defines, if the trigger signal for the Level A/B

operation, which effects the change between A and B, is

automatically generated by the device (

internal

) or if it‘s

put in by the trigger input (

external

Keep set values

Possible settings:

yes

Default setting:

Belongs to: Device
Explanation:

yes

defines, that the set values which are

adjusted by the user are kept when switching the regu-

lation mode (also see „6.6. Preselecting the regulation

mode“), while

defines, that the set values are always

reset to default values when switching.

Device node

Possible settings:

...

Default setting:

Belongs to: Interface cards
Explanation: defines the device node (or address) of the

device in order to distinct between multiple devices in

a network and to address it correctly. Up to 30 devices

can be controlled from one PC. Within a bus system like

CAN or GPIB, every address must only be given once.