PMA KS800, 9407-480-30001 Interface Manual

RGB ELEKTRONIKA AGACIAK CIACIEK

SPÓŁKA JAWNA

Jana Dlugosza 2-6 Street

51-162 Wrocław

Poland

[e-mail]

[phone]

www.rgbautomatyka.pl

www.rgbelektronika.pl

DATASHEET

www.rgbautomatyka.pl

www.rgbelektronika.pl

OTHER SYMBOLS:

KS800-DP

KS800DP, KS800 DP, KS800-DP

PMA

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Multi Temperaturecontroller KS800

KS800

KS800

KS800

PID

PID

PID

PID

PID

PID

PID

PID

KS800KS800

PROFIBUS-DP

Interface description

PROFIBUS-DP

9499 040 50511

Valid from: 8395

SIMATIC

®

is a registered trademark of Siemens AG

STEP

®

is a registered trademark of Siemens AG

®

is a registered trademark of the

PROFIBUS user organization (PNO)

© PMA Prozeß- und Maschinen-Automation GmbH Printed in Germany

All rights reserved. No part of this documentation may be reproduced or published in any form or by

any means without prior written permission

from the copyright owner.

A publication of PMA Prozeß- und Maschinen Automation

Postfach 310229

D-34058 Kassel

Germany

3 9499 040 50511

Contents

1 General ..................................5

1.1 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . ..........6

2 Hints on operation............................7

2.1 Interface connection . . . . . . . . . . . . . . . ...................7

2.1.1 Installation of cables . . . . . . . . . . . . . . . . . . . ...........7

2.2 Forcing .........................................7

3 Process data ...............................8

3.1 Defined as status byte are: . . . . . . . . . . . . . . ................12

3.2 Status and diagnosis messages . . . . . . . . . . . . ................15

3.3 Disabling mechanism with changes . . . . . . . . . . . ..............15

3.4 Process data transmission . . . . . . . . . . . . . . ................15

3.5 Parameter transmission . . . . . . . . . . . . . . . . . . . . . . ..........16

3.5.1 Message elements . . . . . . . . . . . . . . ................16

3.5.2 General communication structure . . . . . . . . . . . . . . . .......17

3.5.3 Data write sequence . . . . . . . . . . . . . ................17

3.5.4 Data read procedure . . . . . . . . . . . . . ................18

3.6 Examples . . . . . . . . . . . . . . . . . . . . . . . ................18

3.6.1 Function block protocol principles . . . . . . . . . . . . . . . .......18

3.6.2 Individual access . . . . . . . . . . . . . . . ................18

3.6.3 Block access (tens block). . . . . . . . . . . . . ..............19

3.6.4 Block acces (overall block) . . . . . . . . . . . . . . . . . .......19

3.7 Data types. . . . . . . . . . . . . . . . . . . . . . . ................21

4 Quick entrance .............................22

4.1 Quick entrance with S5. . . . . . . . . . . . . . . . . . . . . . ..........22

4.1.1 Example of a test environment: . . . . . . . . . . .............22

4.2 Quick entrance with S7. . . . . . . . . . . . . . . . . . . . . . ..........24

4.2.1 Example of a test environment: . . . . . . . . . . .............24

5 Function block protocol ........................26

5.1 Data structuring. ...................................26

5.2 CODE tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ........27

5.2.1 Structure of configuration words (C.xxxx). . . . . . . . . . ........27

5.2.2 INSTRUMENT (FB no.: 0 type no.: 0) . . . . . . . . . . .......27

5.2.3 Special accesses (FB no.: 10 ... 17 type no.: 10) . . . . . . . . . . . . 33

5.2.4 Freely configurable (FB no.: 20 ... 27 type no.: 20) . . . . . . . . . . 34

5.2.5 INPUT (FB no.: 60 ... 67 Type no.: 112) . . . . . . . . . . . . . . . . 36

5.2.6 CONTR (FB no.: 50 ... 57 Type no.: 91) . . . . . . . . . . . . . . . . 37

5.2.7 ALARM (FB no.: 70 ... 77 Type no.: 46) . . . . . . . . . . . . . . . . 41

9499 040 50511 4

6 Function modules ...........................43

6.1 Function module for SIMATIC®S5 ........................43

6.1.1 Structure . . . . . . . . . . . . . . . . . . . . ...............43

6.1.2 Function module call . . . . . . . . . . . . . ................45

6.2 Function module for SIMATIC®S7 ........................46

6.2.1 Structure . . . . . . . . . . . . . . . . . . . . ...............46

7 Annex ..................................49

7.1 Terms .........................................49

7.2 GSD file . . . . . . . . . . . . . . . . . . . . . . . ................49

General

5 9499 040 50511

1 General

The KS800 multi-temperature controller versions (9407-480-30001) are equipped with a PROFIBUS-DP
interface for transmission of process parameter and configuration data. Connection is via the 9-pole sub-D
connector socket. The serial communication interface permits connections to supervisory systems,
visualization tools, etc.

Another interface, which is always provided as standard, is the PC interface. This interface serves for
connecting an engineering tool, which runs on a PC.

Communication is according to the master/slave principle. KS800-DP is always slave.

Cable medium as well as physical and electrical interface proporties:

w

Network topologie
Linear bus with active bus termination at both ends. Stub lines are possible (dependent of cable type, a
maximum overall stub line length of 6,6m with 1,5Mbit/s and of 1,6m with 3-12Mbit/s is possible).

w

Transmission medium
screened, twisted 2-wire cable (Ä EN 50170 vol.2).

w

Baudrates and cable lengths (without repeater)
The maximum cable length is dependent of transmission rate.
The Baudrate is determined by the master configuration.

Automatic Baudrate
detection

Baudrate Maximum cable length
9,6 / 19,2 / 93,75 kbit/s 1200 m
187,5 kbit/s 1000 m
500 kbit/s 400 m
1,5 Mbit/s 200 m
3 ... 12 Mbit/s 100m

w

Interface
RS485 connectable with sub-D connector (9-pole).

w

Address settings
Address setting is possible as follows:

- Adjustment via coding switches, range 00 ... 99, default 00

- adjustment via software, range 0 ... 126, default 126
With the coding switches set to ‘00’, the adjusted software address is valid.
A modified coding switch address is active only after switching on the supply voltage again.

w

32 instruments in one segment. Extension to 127 by means of a repeater is possible.

KS800 with PROFIBUS-DP interface offers many advantages with respect to handling and integration into a
PROFIBUS network.

w

Diagnosis and monitoring via COM-LED
LED off: error identification for ‘no bus access’ (so far not addressed by the master)
LED on: OK, cyclic data exchange running
LED blinks: (2Hz) Data exchange interrupted
LED blinks: (4Hz) PROFIBUS parameter setting and configuration error.

w

Particularities
Configurable process data modules
Direct input and output reading and writing
Output forcing
Easy connection to PLCs

1.1 Scope of delivery

The engineering set comprises:

w

Disk

Pma_0800.gsd

GSD file

Pmadp1st.s5d

STEP®5-FB for parameter channel

Pmadm3*.*

project example in STEP®5 for FixPoint

Pma_parm.arj

STEP®7-FB for parameter channel

Ks800dmo.arj

project example in STEP®7

Ks800_1x.200

type file

Demo308i.et2

configuration example COM PROFIBUS for
IM308-C

Demo95ui.et2

configuration example COM PROFIBUS for S5 CPU
95U

Ks800dem.et2

configuration example COM PROFIBUS for
PC-Karte

w

Interface description for PROFIBUS-DP

General

9499 040 50511 6

3,5-Diskette (A:)

Ks800dp

Gsd

Example.fix

Example

Example

S5_fb

S7_fb

Type

2 Hints on operation

2.1 Interface connection

The PROFIBUS must be connected to the 9-pole sub-D socket.
Serial interface, physical RS485-based signals.

The construction of suitable cabling must be provided by the user, whereby the general cable specifications
to EN 50170 vol.2 must be taken into account.

2.1.1 Installation of cables

When laying the cables, the general hints for cable installation given by the supplier of the master module
must be followed:

w

Cable run in buildings (inside and outside cabinets)

w

Cable run inside and outside buildings

w

Potential compensation

w

Cable screening

w

Measures against interference voltages

w

Stub line length

w

Bus termination resistors are not contained in KS800-DP, but must be realized via the connector, if
necessary.

w

Earthing

g

Special hints for installation of PROFIBUS cables are given in the PNO technical guideline “Installation
guidelines for PROFIBUS-DP/FMS” (Order no. 2.111 [dt]; 2.112 [engl.]).

2.2 Forcing

Digital outputs can be written directly after configuring them accordingly.

Hints on operation

7 9499 040 50511

Fig.: 1 Connecting PROFIBUS-DP

do

C.100 C.500/

3 Process data

During data transmission, distinction of process data to be transmitted cyclically and parameter /
configuration data to be transmitted acyclically is made. The I/O data field is structured modularly for
matching it to the requirements of the control task.
Selection of the process data module is via configuration tools of the master circuits (e.g. with Siemens S5
via COM PROFIBUS).

The following process data modules can be configured:

Process data
module A:

read (66 bytes)

1)

write1)(52 bytes) without

parameter

channel

Instrument status, (process value, output value, status, ..) Instrument control, (set-point, output value, ...)

Process data
module B:

read (74 bytes)

1)

write1)(60 bytes)* with

parameter

channel

Instrument status, (process value, output value, status, ..) Instrument control, (set-point, output value, ...)

Process data
module C:

only parameter channel

1)

(8/8 bytes)

Process data
module D:

read (74 Byte)

1)

write (60 Byte)

1)

with parameter

channel

Instrument status, (process value, output value,
status, ..)

Instrument control, (set-point, output value, ...)

Process data
module E:

read (116 Byte)

1)

write (116Byte)

1)

with parameter

channel

Instrument status, (52 variable process data) Instrument control, (52 variable process data)

Process data
module F:

read (92 Byte)

1)

write (92 Byte)

1)

with parameter

channel

Instrument status, (40 variable process data) Instrument control, (40 variable process data)

Process data
module G:

read (28 Byte)

1)

write (28 Byte)

1)

with parameter

channel

Instrument status, (8 variable process data) Instrument control, (8 variable process data)

Process data
module H:

read (16 Byte)

1)

write (16 Byte)

1)

with parameter

channel

Instrument status, (multiplexing 64 variable
process data)

Instrument control, (multiplexing 64 variable process
data)

The parameter channel is used for sequential transmission of parameter and configuration data. The values to
be adjusted and data significations are given in the following tables:

For the process data modules (module E - H), the cyclical transmission data must be selected by means of
the ‘KS800’ engineering tool via General instrument settings r
Communication r Bus data.

Max. 64 data for reading and 64 data for writing can be selected. Dependent of selected process data
module, the first 52 data (module E), the first 40 data (module F), the first 8 data (module H) or all
data are used (module G).

Process data

9499 040 50511 8

1) Number of required bytes in the I/O field

q

Module A (process data of all 8 channels)

No. Descr. R/W

FIX point format

Rem.

Number of bytes

Value

Hex COM PROFIBUS

Inputs ] 66

0 Unit_State R 2 11 16DE

A

1 Xeff_1 R 2 50 1AE
2 Yeff_1 R 2 50 1AE
3 HC_1 R 2 50 1AE
4 Alarm_1 R 1 10 8DE

B

5 Status_1 R 1 10 8DE

C

6 Xeff_2 R 2 50 1AE
7 Yeff_2 R 2 50 1AE
8 HC_2 R 2 50 1AE
9 Alarm_2 R 1 10 8DE

B

10 Status_2 R 1 10 8DE

C

...

36 Xeff_8 R 2 50 1AE
37 Yeff_8 R 2 50 1AE
38 HC_8 R 2 50 1AE
39 Alarm_8 R 1 10 8DE

B

40 Status_8 R 1 10 8DE

C

Outputs ] 52

41 Unit_Cntrl W 4 23 32DA

D

42 Wvol_1 W 2 60 1AA
43 Yman_1 W 2 60 1AA
44 Cntrl_1 W 2 21 16DA

E

45 Wvol_2 W 2 60 1AA
46 Yman_2 W 2 60 1AA
47 Cntrl_2 W 2 21 16DA

E

...

63 Wvol_8 W 2 60 1AA
64 Yman_8 W 2 60 1AA
65 Cntrl_8 W 2 21 16DA

E

q

Module B (process data of all 8 channels + parameter channel)

No. Descr. R/W

FIX point format

Rem.

Number of bytes

Value

Hex COM PROFIBUS

Inputs ] 66

0 Unit_State R 2 11 16DE

A

1 Xeff_1 R 2 50 1AE
2 Yeff_1 R 2 50 1AE
3 HC_1 R 2 50 1AE
4 Alarm_1 R 1 10 8DE

B

5 Status_1 R 1 10 8DE

C

6 Xeff_2 R 2 50 1AE
7 Yeff_2 R 2 50 1AE
8 HC_2 R 2 50 1AE
9 Alarm_2 R 1 10 8DE

B

10 Status_2 R 1 10 8DE

C

...

36 Xeff_8 R 2 50 1AE
37 Yeff_8 R 2 50 1AE
38 HC_8 R 2 50 1AE
39 Alarm_8 R 1 10 8DE

B

40 Status_8 R 1 10 8DE

C

Process data

9 9499 040 50511

Outputs ] 52

41 Unit_Cntrl W 4 23 32DA

D

42 Wvol_1 W 2 60 1AA
43 Yman_1 W 2 60 1AA
44 Cntrl_1 W 2 21 16DA

E

45 Wvol_2 W 2 60 1AA
46 Yman_2 W 2 60 1AA
47 Cntrl_2 W 2 21 16DA

E

...

63 Wvol_8 W 2 60 1AA
64 Yman_8 W 2 60 1AA
65 Cntrl_8 W 2 21 16DA

E

Inputs/outputs

66 Parameter channel R/W 8 / 8 F3 4AX

q

Module C (only parameter channels)

No. Descr. R/W

FIX Point-Format

Number of bytes

Value

Hex COM PROFIBUS

Inputs/outputs

0 Parameter channel R/W 8 / 8 F3 4AX

Transmission of the analog values is in the 16-bit fix point format (FIX). In FIX format, all values are
interpreted with one digit behind the decimal point (range -3000,0 to 3200,0).

q

Module D (Like Module B, but more compact Configurationformat)

No. Descr. R/W

FIX Point-Format

Rem.

Number of

Bytes

Value

Hex COM PROFIBUS

Inputs ] 74

0 Unit_State R 2 11 16DE

A

1 Xeff_1, Yeff_1, HC_1, Alarm_1, Status_1 R 8 53 4AE
2 Xeff_2, Yeff_2, HC_2, Alarm_2, Status_2 R 8 53 4AE

...

8 Xeff_8, Yeff_8, HC_8, Alarm_8, Status_8 R 8 53 4AE

Outputs ] 60

9 Unit_Cntrl W 4 23 32DA

B

10 Wvol_1, Yman_1, Cntrl_1 W 6 62 3AA
11 Wvol_2, Yman_2, Cntrl_2 W 6 62 3AA

...

17 Wvol_8, Yman_8, Cntrl_8 W 6 62 3AA

In- /Outputs

18 Parameterchannel R/W 8 / 8 F3 4AX

Process data

9499 040 50511 10

q

Module E (52 variable processdata and parameterchannel)

No.. Descr.. R/W

FIX Point-Format

Rem.

Number of

Bytes

Value

Hex COM PROFIBUS

Inputs ] 116

0 Unit_State, Digital_Outputs R 4 13 32DE

A, F

1 IN_1 … IN_8 R 16 57 8AE
2 IN_9 … IN_16 R 16 57 8AE

...

6 IN_41 … IN_48 R 16 57 8AE
7 IN_49 … IN_52 R 8 53 4AE

Outputs ] 116

8 Unit_Cntrl I, Unit_Cntrl II W 4 23 32DA

B

9 OUT_1 … OUT_8 W 16 67 8AA

10 OUT_9 … OUT_16 W 16 67 8AA

...

14 OUT_41 … OUT_48 W 16 67 8AA
15 OUT_49 … OUT_52 W 8 63 4AA

In- /Outputs

16 Parameterchannel R/W 8 / 8 F3 4AX

q

Module F (40 variable processdata and parameterchannel)

No.. Descr.. R/W

FIX Point-Format

Rem.

Number of

Bytes

Value

Hex COM PROFIBUS

Inputs ] 92

0 Unit_State, Digital_Outputs R 4 13 32DE

A, F

1 IN_1 … IN_8 R 16 57 8AE
2 IN_9 … IN_16 R 16 57 8AE

...

5 IN_33 … IN_40 R 16 57 8AE

Outputs ] 92

6 Unit_Cntrl I, Unit_Cntrl II W 4 23 32DA

B

7 OUT_1 … OUT_8 W 16 67 8AA
8 OUT_9 … OUT_16 W 16 67 8AA

...

11 OUT_33 … OUT_40 W 16 67 8AA

In- /Outputs

12 Parameterchannel R/W 8 / 8 F3 4AX

q

Module G (8 variable processdata and parameterchannel)

No.. Descr.. R/W

FIX Point-Format

Rem.

Number of

Bytes

Value

Hex COM PROFIBUS

Inputs ] 28

0 Unit_State, Digital_Outputs R 4 13 32DE

A, F

1 IN_1 … IN_8 R 16 57 8AE

Outputs ] 28

2 Unit_Cntrl I, Unit_Cntrl II W 4 23 32DA

B

3 OUT_1 … OUT_8 W 16 67 8AA

In- /Outputs

4 Parameterchannel R/W 8 / 8 F3 4AX

Process data

11 9499 040 50511

q

Module H (Multiplexing of all 64 variable processdata and parameterchannel)

No.. Descr. R/W

FIX Point-Format

Rem.

Number of

Bytes

Value

Hex COM PROFIBUS

Inputs ] 16

0 Unit_State, Digital_Outputs R 4 13 32DE

A, F

1

Index IN

Read

R 2 50 1AE

Write

2 Read Value R 2 50 1AE

Outputs ] 16

3 Unit_Cntrl I, Unit_Cntrl II W 4 23 32DA

B

4

Index OUT

Read

W 2 60 1AA

Write

5 Write Value W 2 60 1AA

In- /Outputs

6 Parameterchannel R/W 8 / 8 F3 4AX

Operating principle (reading):

w

Enter the index number into ‘Index OUT’ (Read).

w

After the index number is mirror-inverted in ‘Index IN’ (Read), the read value is stored in
‘Read Value’ .

Operating principle (writing):

w

Enter the index number into ‘Index OUT’ (Write)

w

Enter the value to be written into ‘Write Value’.

w

After the index number is mirror-inverted in ‘Index IN’ (Write), the value was transmitted.

g

To ensure consistent data transmission, ‘Index OUT’ (Write) and ‘Write Value’ must have been updated
safely before a PROFIBUS data cycle. If this cannot be ensured, proceed as follows: ‘0’ in ‘Index OUT’
(Write), write the value to be transmitted into ‘Write Value’ and write the index number into ‘Index OUT’
(Write). With entry ‘0’ in ‘Index OUT’ (Read) / ‘Index OUT’ (Write), no data are transmitted.

3.1 Defined as status byte are:

Unit_State

MSB LSB

D15 D14 D13 .. .. D2 D1 D0

Bit no. Name Allocation Status ‘0’ Status ‘1’

D0

IN13 Digital input IN13 (ParNo) off on

D1

IN14 Digital input IN14 (Coff) off on

D2

IN15 Digital input IN15 (Leck) off on

D3

IN16 Digital input IN16 (w/w2) off on

D4

always ‘0’

D5

Dex Changed ComRead or ComWrite data no yes

D6, D7

Always ‘0’

D8

Err1 Transmission error channel 1 no yes

D9

Err2 Transmission error channel 2 no yes

D10

Err3 Transmission error channel 3 no yes

D11

Err4 Transmission error channel 4 no yes

D12

Err5 Transmission error channel 5 no yes

D13

Err6 Transmission error channel 6 no yes

D14

Err7 Transmission error channel 7 no yes

D15

Err8 Transmission error channel 8 no yes

Process data

9499 040 50511 12

Rem. B1 Alarm_x

MSB LSB

D7 D6 D5 D4 D3 D2 D1 D0

Bit no. Name Allocation Status ‘0’ Status ‘1’

D0

Lim HH Alarm HH off on

D1

Lim H Alarm H off on

D2

Lim L Alarm L off on

D3

Lim LL Alarm LL off on

D4

Fail Alarm Sensor Fail no yes

D5

HCAl Heating current alarm off on

D6

LeckAl Leakage current alarm off on

D7

do1_8Al Alarm OUT1 ... 8 off on

Rem. C Status_x

MSB LSB

D7 D6 D5 D4 D3 D2 D1 D0

Bit no. Name Allocation Status ‘0’ Status ‘1’

D0

w/W2 w/W2 switch-over w W2

D1

We/w External/internal switch-over external internal

D2

w/Wanf Start-up set-point switch-over w Wanf

D3

Orun Optimization active no yes

D4

A/M Automatic/manual switch-over auto manual

D5

Coff Controller switched off no yes

D6

Y1 Switching output 1 off on

D7

Y2 Switching output 2 off on

Rem. D Unit_Contrl I

MSB LSB

D31 D30 D29 ... ... D2 D1 D0

Bit no. Name Allocation Status ‘0’ Status ‘1’

D0

OUT1 Forcing of output OUT1 off on

D1

OUT2 Forcing of output OUT2 off on

D2

OUT3 Forcing of output OUT3 off on

D3

OUT4 Forcing of output OUT4 off on

D4

OUT5 Forcing of output OUT5 off on

D5

OUT6 Forcing of output OUT6 off on

D6

OUT7 Forcing of output OUT7 off on

D7

OUT8 Forcing of output OUT8 off on

D8

OUT9 Forcing of output OUT9 off on

D9

OUT10 Forcing of output OUT10 off on

D10

OUT11 Forcing of output OUT11 off on

D11

OUT12 Forcing of output OUT12 off on

D12

OUT13 Forcing of output OUT13 off on

D13

OUT14 Forcing of output OUT14 off on

D14

OUT15 Forcing of output OUT15 off on

D15

OUT16 Forcing of output OUT16 off on

Process data

13 9499 040 50511

Rem. E Unit_Contrl II

MSB LSB

D31 D30 D29 ... ... D2 D1 D0

Bit no. Name Allocation Status ‘0’ Status ‘1’

D0

OUT17 Forcing of output OUT17 off on

D1

OUT18 Forcing of output OUT18 off on

D2

OUT19 Forcing of output OUT19 off on

D3

OstartG Start optimizing all group controllers no start start

D4

OStopG Forcing of output OUT5 no stop stop

D5

Dval Forcing of output OUT6 flank 0->1

D6- D15

always "0"

Rem. F Cntrl_x

MSB LSB

D15 D14 D13 ... ... D2 D1 D0

Bit no. Name Allocation Status ‘0’ Status ‘1’

D0

A/M Automatic/manual switch-over auto manual

D1

Coff Controller switched off no yes

D2

w/W2 w/W2 switch-over w W2

D3

We/w External/internal switch-over external internal

D4

OStart Start optimization

1)

no start start

D5

OStop Stop optimization

1)

no stop stop

D6 .. D15

unused, always ‘0’

Rem. G Digital_Outputs

MSB LSB

D15 D14 D13 ... ... D2 D1 D0

Bit-No. Name Allocation Status ‘0’ Status ‘1’

D0

Y1_7 Y1-Output Channel 7 off on

D1

Y2_7 Y2-Output Channel s 7 off on

D2

Y1_6 Y1-Output Channel 6 off on

D3

Y2_6 Y2-Output Channel 6 off on

D4

Y1_5 Y1-Output Channel 5 off on

D5

Y2_5 Y2-Output Channel 5 off on

D6

Y1_4 Y1-Output Channel 4 off on

D7

Y2_4 Y2-Output Channel 4 off on

D8

Y1_3 Y1-Output Channel 3 off on

D9

Y2_3 Y2-Output Channel 3 off on

D10

Y1_2 Y1-Output Channel 2 off on

D11

Y2_2 Y2-Output Channel 2 off on

D12

Y1_1 Y1-Output Channel 1 off on

D13

Y2_1 Y2-Output Channel 1 off on

D14

Y1_0 Y1-Output Channel 0 off on

D15

Y2_0 Y2-Output Channel 0 off on

Process data

9499 040 50511 14

1) Signals are active only with change from 0 Ä 1. The signal must be available, until a change of Orun

(see Status_x) has occurred.

2)See chapter 3.3 page 15 "Disabling mechanism with changes".

3.2 Status and diagnosis messages

For KS800 instrumwent status signalling, the external (user-specific) diagnosis must be used. The format
corresponds to the instrument-related diagnosis (EN50170 volume 2 PROFIBUS).

Instrument-specific diagnosis Octet 1

MSB LSB

D7 D6 D5 D4 D3 D2 D1 D0

Bit no. Name Allocation Status ‘0’ Status ‘1’ Type

D0

Online/Conf On-line / configuration on-line configuration status

D1

DO1_12Fail Error do1 ... do12 no yes diagnosis

D2

D=13_16Fail Error do13 ... do16 no yes diagnosis

D3

HCFail Heating current short circuit no yes diagnosis

D4 .. D7

unused, always ‘0’

Instrument-specific diagnosis Octet 2

MSB LSB

D7 D6 D5 D4 D3 D2 D1 D0

Bit no. Name Allocation Status ‘0’ Status ‘1’ Type

D0

InpF1 Input fail channel 1 no yes diagnosis

D1

InpF2 Input fail channel 2 no yes dianosis

D2

InpF3 Input fail channel 3 no yes diagnosis

D3

InpF4 Input fail channel 4 no yes diagnosis

D4

InpF5 Input fail channel 5 no yes diagnosis

D5

InpF6 Input fail channel 6 no yes diagnosis

D6

InpF7 Input fail channel 7 no yes diagnosis

D7

InpF8 Input fail channel 8 no yes diagnosis

3.3 Disabling mechanism with changes

Changing the reference to a datum to be transmitted during operation, e.g. on-line via parameter channel
or via the engineering interface, implies a hazard of value misinterpreting by bus master and KS800.
This can be prevented by a disabling mechanism.

w

When changing a reference, the controller module sets bit Dex = 1.

w

The master must evaluate bit Dex.

w

Acknowledgement and a statement that there are only valid write data also on the master side, are
generated via a positive flank for bit Dval.

w

When receiving a positive flank, the controller module sets Dex = 0 and stores the data which were
sent.

w

Resetting Dex is also possible by switching the voltage off and on again.

3.4 Process data transmission

Process data are transmitted cyclically by the controller, whereby compliance with the minimum poll time of
570ms is ensured, if no simultaneous access via the parameter channel is made. Output data sent to KS800
are compared with the previously transmitted values and processed by the controller with deviation. If one of
the data is faulty, bit 8 with error in channel 1, bit 9 with error in channel 2 ... or bit 15 with error in channel
8 is set in the ‘Unit_State’, until no faulty accesses are pending any more.

Process data

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