iseg EHQ 9005-F Operator'S Manual Download

Page: 6 / 26

S p e z i a l e l e k t r o n i k G m b H

iseg

c/o ROTECH

Email: sales@iseg-hv.de

Phone ++ 49 351 / 26 95 - 260

Spezialelektronik

Bautzner Landstr. 45

http://www.iseg-hv.com

Fax

++ 49 351 / 26 95 - 261

GmbH

D - 01454 Rossendorf

Germany

4.2 Summary of CAN data frames

The 9-channel Module EHQ 9005-F is assembled of two sub-modules (8 channels / 1 channel),
each controlled independently via an own CAN identifier.

Following list describes the accesses of the DCP made for one of these sub-modules.

EXT_

INSTR

DATA_

DIR

DATA_ID

Bit

Access

read/
write/
active

DATA

Bytes

ID1

ID0

No DATA_ID

N0 Single access CHANNEL:

1/0

Current trip

r/w

Actual voltage

Actual current

1/0

Set voltage

r/w

Status channel

G1 G0 Group access module

Voltage supplies and module temp.

free

Existing hardware channels

Channel works according to control

Status4

Sense voltage

≠

Set voltage

1/0

General status module

r/w

Status1 Voltage limit has been

exceeded at single channel

Status2 Hardw. current limit has been

exceeded at single channel

1/0

Channel ON / OFF

r/w

1/0

Ramp speed

r/w

Emergency cut-off

Log-on Front-end device in superior
layer

Log-off superior layer at Front-end
device

1/0

Bit rate

r/w

1/0

Serial number, software release and
CAN message configuration

r/w

7/2

Set voltage for all channels

1/0

KILL-enable

r/w

1/0

ADC filter setting

r/w

Module nominal values

Status3 Software current trip has been

exceeded at single channel

Accesses

0 to 15:

Channel 0 to 15

0 to 3:

Group 0 to 3

Only needed if group controller (GC) is used

Summary of Contents for EHQ 9005-F

Page 1: ...Detailed CAN data frames description 4 4 CAN Bus implementation Appendix A Side view Attention The device must not be operated with the cover removed We decline all responsibility for damages and injuries caused by an improper use of the module It is highly recommended to read the manual before any kind of operation Note The information in this manual is subject to change without notice We take no...

Page 2: ...Spezialelektronik GmbH iseg c o ROTECH Email sales iseg hv de Phone 49 351 26 95 260 Spezialelektronik Bautzner Landstr 45 http www iseg hv com Fax 49 351 26 95 261 2 GmbH D 01454 Rossendorf Germany ...

Page 3: ...100 kHz 2 mV at max load and VO 50 V Hardware current limit Imax Potentiometer internal Interface CAN Interface Voltage setting Via software resolution 1 mV Voltage measurement Via software resolution 1 mV Current measurement Via software resolution 100 nA Accuracy of voltage measurement 20 mV Accuracy of current measurement 0 01 IO 0 05 IO max 1 digit Temperature coefficient 5 10 5 K Stability 20...

Page 4: ...witched ON and a new set voltage must be given before it is able to offer an output voltage The pins of the loop are potential free the internal voltage drop is ca 3 V Coming from the factory the safety loop is not active the corresponding bit is always set Removing of an internal jumper makes the loop active s App A The connector V of each channels should be connected to ground at a certain chose...

Page 5: ...he function of the module as part of a complex system will be defined through the DATA_ID In such systems with many hierarchical levels a single function of a single module can be addressed by using group controllers GC Then for each GC on the way to the module the data frame is created through nesting of the address fields of the GC addresses followed by the DATA_ID not necessary in case of contr...

Page 6: ...ree r 8 1 1 1 1 0 0 1 0 0 0 Existing hardware channels r 3 1 1 1 1 0 0 1 1 0 0 Channel works according to control r 3 1 1 1 1 0 1 0 0 0 0 Status4 Sense voltage Set voltage r 3 0 1 0 1 1 0 0 0 0 0 0 General status module r w a 2 0 1 1 1 0 0 0 1 0 0 Status1 Voltage limit has been exceeded at single channel r 3 0 1 1 1 0 0 1 0 0 0 Status2 Hardw current limit has been exceeded at single channel r 3 0 ...

Page 7: ... then it is able to register this module as a Front end device and is able to address it with FE_ADR Module address see also item 4 4 description 11bit Identifier Bit 0 to 1 in DATA_0 describes the type of installed resolution of current and voltage measurement and setting see according Single and Group accesses Remote frame Log on controller DLC 2 Byte DATA_ID DATA_0 Bit 7 6 5 4 3 2 1 0 0 Designa...

Page 8: ... write Channel Nx off 0 15 Actual current trip with resolution IO max 10 exp6 A in DATA_2 to DATA_0 Write Controller DLC 4 Write software current trip at corresponding channel Byte Identifier DATA_ID DATA_2 DATA_1 DATA_0 Bit ID1 ID0 7 6 5 4 3 2 1 0 0 Designation EXT_ INSTR DATA _DIR N3 N2 N1 N0 LSB Data 1 0 1 0 0 0 x x x x x Description write Channel Nx off 0 15 New actual current trip with resolu...

Page 9: ...A_1 DATA_0 Bit 7 6 5 4 3 2 1 0 0 Designation DATA _DIR N3 N2 N1 N0 LSB Data 0 1 0 0 0 x x x x x Description write Channel Nx of 0 15 Actual voltage with resolution VO max 10 exp6 V in DATA_2 to DATA_0 Single access CHANNEL Actual current Read write access Byte DATA_ID Controller DLC 1 Bit 7 6 5 4 3 2 1 0 Read actual current at the corresponding channel Designation DATA _DIR N3 N2 N1 N0 Data 1 1 0 ...

Page 10: ...ata 0 1 0 1 0 x x x x x Description write Channel Nx of 0 15 Set voltage with resolution VO max 10 exp6 V in DATA_2 to DATA_0 Write Controller DLC 4 Write set voltage at corresponding channel Byte DATA_ID DATA_2 DATA_1 DATA_0 Bit 7 6 5 4 3 2 1 0 0 Designation DATA _DIR N3 N2 N1 N0 LSB Data 0 1 0 1 0 x x x x x Description write Channel Nx of 0 15 Set voltage with resolution VO max 10 exp6 V in DATA...

Page 11: ...x x x x x x 0 x x Description write Channel Nx of 0 15 Input error i 0 no input error i 1 set voltage fN or ramp out off set range o 0 Channel OFF o 1 Channel ON Voltage state r 0 Voltage is stable r 1 Voltage ramps Channel Emergency cut off n 0 Channel works n 1 Cut off only to first write in DAC KILL enable k 0 KILL function disable VO shut off if current limit has been exceeded and then VO is r...

Page 12: ... 0 0 0 0 x x x 0 0 x x Description write 24V 15V 5V 0 0 Temperature U1 to U3 Voltage resolution 100 mV U4 U5 not available on EHQ 8005 F t2 t1 Module temperature resolution 0 1 C Out of range see Group access General status module will be generated if tolerance of voltage supplies is more than 5 Group access Existing hardware channels Read write Write access extended access list Read write Byte Id...

Page 13: ...D DATA_1 DATA_0 Bit ID1 ID0 7 6 5 4 3 2 1 0 7 0 7 0 Designation EXT_ INSTR DATA _DIR N3 N2 N1 N0 LSB Data 1 0 1 1 0 0 1 1 0 0 x Description write x 1 Channel is working correctly x 0 Channel is not working correctly LSB Channel 1 Group access Status4 Read write Write access extended access list Read write Byte Identifier DATA_ID Controller DLC 1 Bit ID1 ID0 7 6 5 4 3 2 1 0 Control of sense line is...

Page 14: ...or voltage limit have been exceeded or sense line interrupted at least one channel y 1 no channel is ramping y 0 VO is ramping at least one channel x 1 safety loop is closed x 0 VO was shut off with safety loop if safety loop is closed again the bit will be set with the first read w 1 VO is ramping at least one channel with ADC filter frequency fN 100 Hz w 0 all channels are stable with programmab...

Page 15: ...1 0 Designation ID9 DATA _DIR Data 0 1 1 1 0 0 0 0 0 0 u v w x y z Description active If u x z 0 then the module send once active this error frame with ID9 0 The module has been configured as one CAN node with an Active CAN message function see Group access Serial number software release and CAN message configuration In this case the module will send this group access as an active error message wi...

Page 16: ...l be cancelled Group access Status2 Hardware current limit Read write access Byte DATA_ID Controller DLC 1 Bit 7 6 5 4 3 2 1 0 Check exceeding hardware current limit per channel Designation DATA _DIR Data 1 1 1 0 0 1 0 0 0 Description read Response module DLC 3 Byte DATA_ID DATA_1 DATA_0 Bit 7 6 5 4 3 2 1 0 7 0 7 0 Designation DATA _DIR Data 0 1 1 0 0 1 0 0 0 x15 x8 x7 x0 Description write x0 Stat...

Page 17: ...ion DATA _DIR Data 0 1 1 0 0 1 1 0 0 x15 x8 x7 x0 Description write x0 Bit for Channel 0 xn 1 Channel ON x7 Bit for Channel 7 xn 0 Channel OFF Write Controller DLC 3 Channels shut ON or OFF define Byte DATA_ID DATA_1 DATA_0 Bit 7 6 5 4 3 2 1 0 7 0 7 0 Designation DATA _DIR Data 0 1 1 0 0 1 1 0 0 x15 x8 x7 x0 Description write x0 Bit for Channel 0 xn 1 Channel ON x7 Bit for Channel 7 xn 0 Channel O...

Page 18: ...esolution VO max 50000s Ramp speed range VO max 2500s Ramp speed VO max 10s 1 Ramp speed higher than the maximum module specific ramp speed will be ignored and the Bit Input error in the Status channel will be set 1 sub values are rounded down to the next lower value according to the resolution Group access Set voltage for all channels Write access Controller DLC 4 Set voltage for all channels Byt...

Page 19: ... bit rate kbit s Write Controller DLC 3 Write a new bit rate Byte DATA_ID DATA_1 DATA_0 Bit 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 Designation DATA _DIR LSB Data 0 1 1 0 1 1 1 0 0 x8 x7 x6 x5 x4 x3 x2 x1 x0 Description write x8 x0 7 Bit rates are possible 1 20 kbit s 2 50 kbit s 3 100 kbit s 4 125 kbit s 5 250 kbit s 6 500 kbit s on request 7 1000 kbit s on request the new bit rate gets a...

Page 20: ... 1 1 1 1 0 0 0 0 0 Description read Response module DLC 7 Byte DATA_ID DATA_5 DATA_4 DATA_3 DATA_2 DATA_1 DATA_0 Bit 7 6 5 4 3 2 1 0 BCD BCD BCD BCD BCD BCD BCD BCD BCD BCD BCD BCD Designation DATA _DIR Data 0 1 1 1 0 0 0 0 0 z6 z5 z4 z3 z2 z1 p2 y3 y2 y1 p1 c1 Description write 6 BCD Serial number 3 BCD Soft ware release c1 1 BCD existing channels Write Controller DLC 2 Write a new CAN message co...

Page 21: ...el then the ADC filter Description read frequency is fN 100 Hz Response module DLC 3 Byte DATA_ID DATA_1 DATA_0 Bit 7 6 5 4 3 2 1 0 7 0 7 0 Designation DATA _DIR Data 0 1 1 1 1 0 0 0 0 x15 x8 x7 x0 Description write ADC filter frequency fN 19200 x15 x0 Hz Write Controller DLC 3 Write new ADC filter frequency fN Byte DATA_ID DATA_1 DATA_0 Bit 7 6 5 4 3 2 1 0 7 0 7 6 5 4 3 2 1 0 Designation DATA _DI...

Page 22: ...xceeded Data 1 1 1 1 0 1 1 0 0 KILL disable VO shut off if current limit has been exceeded Description read and then VO is ramping from 0 V to VSET again Response module DLC 3 Byte DATA_ID DATA_1 DATA_0 Bit 7 6 5 4 3 2 1 0 7 0 7 0 Designation DATA _DIR Data 0 1 1 1 0 1 1 0 0 x15 x8 x7 x0 Description write x0 Bit for Channel 0 xn 1 KILL enable x7 Bit for Channel 7 xn 0 KILL disable Write Controller...

Page 23: ... Bit 7 6 5 4 3 2 1 0 Check if the output current the software current trip per Designation DATA _DIR channel exceeds Data 1 1 1 1 1 1 0 0 0 Description read Response module DLC 3 Byte DATA_ID DATA_1 DATA_0 Bit 7 6 5 4 3 2 1 0 7 0 7 0 Designation DATA _DIR Data 0 1 1 1 1 1 0 0 0 x15 x8 x7 x0 Description write x0 Status for Channel 0 xn 0 Channel ok x7 Status for Channel 7 xn 1 Output current has be...

Page 24: ...ed at the controller respectively if it does not receive valid data during a longer time period ca 1 min then it will actively send the registration frame with DATA_DIR 1 see also item 4 3 Therefore it follows that all even CAN ports Identifier are interpreted as Write ports all odd CAN ports as Read ports The addressing of the Front end device is also made with the 11 bit identifier of the CAN pr...

Page 25: ...5 bit ID10 ID9 ID8 ID7 ID6 ID5 ID4 ID3 ID2 ID1 ID0 0 P A5 A4 A3 A2 A1 A0 EXT _IN STR DATA _DIR Acceptance Filter of the used CAN Controller is set to Front end address The Front end device must do Processing of the single accesses with direct channel values Processing of group information of the channels Self registration in the higher level through sending the module address Building of status in...

Page 26: ...g c o ROTECH Email sales iseg hv de Phone 49 351 26 95 260 Spezialelektronik Bautzner Landstr 45 http www iseg hv com Fax 49 351 26 95 261 26 GmbH D 01454 Rossendorf Germany Appendix A Side view Desk open jumper for safety loop ...

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