GRUNDFOS ALLDOS DME Series User manual

GRUNDFOS ALLDOS INSTRUCTIONS
DME with PROFIBUS
Installation and operating instructions

2

Table of contents
3
DME with PROFIBUS
English (GB)
Installation and operating instructions....................................................................................................................... 4
Norsk (NO)
Installasjons- og driftsinstruksjon............................................................................................................................ 13

English (GB)
4
English (GB) Installation and operating instructions
CONTENTS
Page
1. Introduction
This document describes the functional profile for
Grundfos Alldos DME dosing pumps:
• DME (2-48 l/h)
• DME (60-940 l/h).
For identification of DME model, see section 3.
2. Connections
The DME pump is supplied with an IP 65 RS-485 M12 connector.
Fig. 1 M12 connector, IP 65
3. Identification of DME model
The DME model is identified by the first letter in the model
number.
Fig. 2 Model identification
4. Device identification
The ID number is accessible by sending a diagnostic request
telegram from the master.
ID numbers of DME dosing pumps:
5. Addressing
The address is factory-set to a standard value (126).
The PROFIBUS address of each DME pump in the bus system
must have a unique written value for the network communication
to work. This can be done via the bus if the units are connected
one at a time.
The PROFIBUS address can also be changed via the DME pump
display. From the menu, select "SETUP" and then "NUMBER".
6. Slave diagnosis services
Via the diagnosis, the slave informs the master of its current
mode. It consists at least of the information specified in the
standard, in the first 6 octets, such as the status of the state
machine. The user can supplement this information (user
diagnosis) with process-specific information (for example wire
break).
On the slave's initiative, the diagnosis can be transmitted as error
message and as status message. In addition to 3 defined bits, the
user also influences the application-specific diagnostic data.
However, any master (not only the assigned master) can poll the
current diagnostic information.
6.1 Application-specific diagnostic data
The DME dosing pump has device-related diagnostics
(see IEC 50170 vol. 2 for protocol-specific information).
The diagnostics consist of 3 bytes of user-specific diagnostics in
the following format:
The user diagnostic byte Status has the following format:
Fig. 3 Overview of the user diagnostic byte Status
1. Introduction 4
2. Connections 4
3. Identification of DME model 4
4. Device identification 4
5. Addressing 4
6. Slave diagnosis services 4
6.1 Application-specific diagnostic data 4
6.2 Watchdog 5
7. References 5
8. Mode control and status 5
9. Modes of the DME 5
10. DME inputs 5
11. DME display unit 5
12. Anti-cavitation 6
13. Status of pump LEDs 6
14. Alarm status 6
15. Dosing control 7
16. Commands (output) 7
16.1 PROFIBUS commands available 8
17. Data item overview (inputs) 9
18. Software overview 12
18.1 GSD file (DME model C) 12
18.2 GSD file (DME model A) 12
18.3 GSD file (DME model B) 12
19. Disposal 12
Prior to installation, read these installation and
operating instructions. Installation and operation
must comply with local regulations and accepted
codes of good practice.
TM03 2640 4705
M12 connector 9-pin D-sub connector
Pin Pin
1VP 6
2 RxD/TxD-N 8
3DGND 5
4RxD/T-P 3
5Screen 1
TM03 2487 4405
Pump Model ID number
Hex value
DME 2-18
DME (2-48 l/h) C 0970
DME 8-10
DME 12-6
DME 19-6
DME 48-3
DME 60-10
DME (60-940 l/h) A 0971
DME 150-4
DME 375-10
DME 940-4
Status DME SW. ver. Profi SW. ver.
TM02 1728 2001
Made in France
Type
Model
UP
max
Q
H
Imax
f
VHz A
IP 65
W
l/h
Bar
~
96441587
N2042
A96462494P101320001

English (GB)
5
The other two user diagnostic bytes indicate the software
versions of both the DME dosing pump and the PROFIBUS add-
on module.
6.2 Watchdog
The dosing pump can be configured so that it stops pumping if
communication fails.
The configuration must be done in two steps:
1. Enable the communication watchdog with the commissioning
tool or PLC.
2. Send the command 26 comm_watch_e to the dosing pump,
otherwise the pump will not react to a communication
watchdog timeout. The configuration is stored in non-volatile
memory, e.g. EEPROM.
To disable this feature, send the command 27 comm_watch_d
to the dosing pump or disable the communication watchdog
with the commissioning tool or PLC.
7. References
8. Mode control and status
A DME pump has the mode scheme shown below.
By means of the commands - also shown below - a DME pump
can be set to operate as required. This corresponds to operating
it via the buttons on the front panel.
9. Modes of the DME
The tables below show the data items holding information about
the actual operating mode of the DME pump.
act_mode1 (I,54) – actual mode status no. 1
+Only DME (60-940 l/h)
act_mode2 (I,55) – actual mode status no. 2
act_mode3 (I,56) – actual mode status no. 3
This byte is not influenced by the setup status. It contains
information about modes for which no setup exists. These modes
are typically generated by the system itself.
10. DME inputs
The tables below show the data items holding information about
how the inputs of the DME pump are configured.
input_setup1 (I,62) – mode of configurable inputs
* Only DME (2-48 l/h)
input_setup2 (I,65)+– mode of configurable inputs
+ Only DME (60-940 l/h)
11. DME display unit
The table below shows the data items holding information about
how the DME pump is configured to show units in the display.
scaling_setup (I,63) – display mode
Reference Document title Document file
/1/ PROFIBUS Protocol Specification EN 50170 vol. 2
System
modes Normal Alarm Standby
Operating
modes Start Stop
Control
modes Manual Analog Pulse Timer Batch
Bit no. Description
2-0
Operating modes (user modes):
000: Start
001: Stop
010: –
011: Max.
5-3
Control modes:
000: Manual
001: Pulse
010: Analog
011: Timer
100: Batch
6Anti-cavitation: 0: Disabled
1: Enabled
7+Auto restart after alarm:
0: Disabled
1: Enabled
Bit no. Description
6Communication watchdog: 0: Disabled
1: Enabled
Bit no. Description
2-0
System modes:
000: Normal
011: Survive
100: Alarm Standby
3Pending alarm: 0: No alarm
1: Alarm
5Calibration mode: 0: Disabled
1: Enabled
6Bleeding: 0: Disabled
1: Enabled
Bit no. Description
1-0 External stop: 01: Normally open
10: Normally closed
3-2
Level modes:
00: Monitor function*
01: Normally open
10: Normally closed
6-4
Analog modes:
000: 4-20 mA
001: 20-4 mA
010: 0-20 mA
011: 20-0 mA
7-
Bit no. Description
0Diaphragm input: 0: Normally open
1: Normally closed
1Monitor input: 0: Disabled
1: Enabled
Bit no. Description
1-0 Unit in display: 00: Metric (litre)
01: US (gallon)

English (GB)
6
12. Anti-cavitation
The table below shows the data items holding information about
how much the max. capacity is reduced to avoid cavitation.
Note:
• Only DME (60-940 l/h).
• Remember to enable anti-cavitation, see section 9. Modes of
the DME for further information.
13. Status of pump LEDs
The status of the pump LEDs can be requested via the data item
led_contr defined below.
Note that the relay status follows the ON condition of the red
LED.
Using 'NC' terminal at the relay means that active equals an open
relay.
Using 'NO' terminal means that active equals a closed relay.
led_contr (I,44) – LED indication
*Add-on feature, not available on DME 2-48 pumps with
PROFIBUS
Interpretation of LEDs and status of the alarm relay.
Note that the relay status follows the ON condition of the red
LED.
Using 'NC' terminal at the relay means that active equals an open
relay.
Using 'NO' terminal means that active equals a closed relay.
14. Alarm status
alarm_code (I,59)
Alarms are recorded in alarm_code. All alarms result in the DME
entering the Alarm Standby mode.
In this mode, the green LED on the pump is switched off and the
red LED is switched on. The value of alarm_code is kept and not
updated (cleared) until restarting is attempted. An automatic
restart will occur if the cause of the alarm disappears.
The alarm_code will then be cleared and the green LED will be
switched on again.
The table below shows supported alarms:
+Only DME (60-940 l/h)
* Not configurable in DME (2-48 l/h), but always set to "Yes"
** Generated by PROFIBUS module
•act_mode3, bits 0-2, (see section 9.) holds information about
the pump being in Alarm Standby or not and
•act_mode3, bit 3, holds information about the presence of an
unacknowledged (pending) alarm.
reset_alarm will acknowledge (clear) the alarms that can be
cleared.
alarm_code_disp (I,57)
This data item is identical to alarm_code.
warning_code (I,58)
Warnings are recorded in warning_code. A warning does not lead
to any action of the DME pump, but both red and green LEDs are
switched on. When the cause of the warning disappears, the
code is cleared.
The table below shows supported warnings:
+Only DME (60-940 l/h)
Bit no. Description
2-0
Capacity reduction:
000: Max. capacity reduced to 75 %
001: Max. capacity reduced to 50 %
010: Max. capacity reduced to 25 %
Bit no. Description
1-0
00: LED 1 (green) off
01: LED 1 (green) on
10: LED 1 (green) flashing
11: –
3-2
00: LED 2 (red) off
01: LED 2 (red) on
10: LED 2 (red) flashing
11: –
Green
LED Red LED Cause Alarm relay*
Off Off Power off or fault in mains connection –
On Off System mode Normal,
operating mode Start –
Flashing Off System mode Normal,
operating mode Stop –
On On System mode Survive, operating mode Start
(pump keeps dosing despite warning) Active
Flashing On System mode Survive,
operating mode Stop Active
Off On System mode Alarm Standby Active
Code Alarm cause Automatic
restarting Description/action
19+Diaphragm break No The alarm must always be acknowledged by a reset_alarm command which
also clears pending alarm bit.
48+Overload (maximum
pressure exceeded)
57 Dry running (low liquid level) Configurable* Can be configured to "Enabled" or "Disabled" in DME (60-940 l/h).
64 Overtemperature
76** Internal communication fault Yes The PROFIBUS module always clears the alarm when communication is
restored with the DME. reset_alarm command clears pending alarm bit.
83 Parameter area verification
error (EEPROM) Pump stopped The alarm cannot be cleared. DME must be re-powered.
88 Sensor fault (analog input) Yes The alarm is always cleared by the DME auto restart function.
reset_alarm command clears pending alarm bit.
154+Display communication fault
174+Origo sensor fault Pump stopped The alarm cannot be cleared. DME must be re-powered.
173+Hall sensor fault
Code Warning cause
17 Max. flow (exceeds max. capacity in pulse mode)
48+Overload (maximum pressure exceeded)
57 Low liquid level
59 No flow

English (GB)
7
15. Dosing control
Figure 4 shows the data items used in the five control modes.
For all control modes, the data item max_dosing_flow will limit the
actual capacity to this value.
For the control mode Manual, it is not possible to select a value
higher than this limit.
Fig. 4 The five control modes and the data items used for
generating the actual capacity
16. Commands (output)
Via the module definition "Commands Buffer" in the GSD file, it is
possible to use the 8 defined output bytes of the module to send
commands to the DME dosing pump.
The "Commands Buffer" module is mandatory and the first
module when configuring a DME PROFIBUS slave on the
network.
The first byte is used to indicate the command, and the following
3 bytes are for future use ("don't care" at the moment). The next
4 bytes are used to represent the data item which can be from
8 bits to 32 bits. Some commands do not have a data item, and
the value of the 4 data bytes is "don't care".
Example 1
To start, the DME dosing pump must receive command number
3 (0x03).
The 8 outputs will look like this to start the pump:
Example 2
The pulse dosing volume is to be set to
0.975 ml/p ⇒975 000 nl/p.
The data format for pulse dosing volume is a 32-bit data item,
hence 975,000 is 00 0E E0 98 in hexadecimal.
The command for setting the pulse dosing volume is number
17 (0x11).
The 8 outputs will look like this to set the pulse dosing volume to
0.975 ml/p:
Example 3
The timer dosing period is to be set to 1 day, 2 hours and
45 minutes.
The data format for the timer dosing period is a 16-bit data item,
hence 1 day, 2 hours and 45 minutes are 1605 minutes and
00 00 06 45 in hexadecimal.
The command for setting the timer dosing period is number
20 (0x14).
The 8 outputs will look like this to set the timer dosing period to
1 day, 2 hours and 45 minutes:
For acknowledge purpose indicating that the command is
executed in the DME dosing pump, the command is returned from
the DME dosing pump to the PROFIBUS master via the
"Command Ack" module which defines 1 input byte in the GSD
file.
If the command is executed successfully, the value of the
command is returned in command_ack.
If, for some reason, the command is not executed (e.g. a pump
fault), the value 0xFF is returned in command_ack. The master
must then send the idle command (0x00) or another command
before sending the failed command again.
Note: To get this acknowledge feature, it is important to add the
module in the parameterization, the "Command Ack" module
must be added, when configuring the DME PROFIBUS slave on
the network.
Example 1 without error
To stop, the DME dosing pump must receive command number
4 (0x04).
The 8 outputs will look like this to stop the pump:
The Data_Exchange cycles will look like this for the first output
and the command_ack:
Example 2 with error
To stop, the DME dosing pump must receive command number
4 (0x04).
The 8 outputs will look like this to stop the pump:
The Data_Exchange cycles will look like this for the first output
and the command_ack:
TM02 1726 2001
0x03 0x00 0x00 0x00 0x00 0x00 0x00 0x00
0x11 0x00 0x00 0x00 0x00 0x0E 0xE0 0x98
Capacity
0x14 0x00 0x00 0x00 0x06 0x45 0x00 0x00
0x04 0x00 0x00 0x00 0x00 0x00 0x00 0x00
Cycle no. Command output 0 Command_ack (I,0)
10x00 0x00
20x04 0x00
30x04 0x04
0x04 0x00 0x00 0x00 0x00 0x00 0x00 0x00
Cycle no. Command output 0 Command_ack (I,0)
10x00 0x00
20x04 0x00
3 0x04 0xFF
4 0x00 0xFF
50x00 0x00
60x04 0x00
70x04 0x04

English (GB)
8
16.1 PROFIBUS commands available
+ Only DME (60-940 l/h)
Identifier Command Data item Description
RESET_ALARM 1 Don't care Clears a possible pending alarm.
FACT_BOOT 2 Don't care All configuration parameters are returned to the factory setting.
START 3 Don't care Starts the pump (operating mode Start).
Updates the act_mode1, bits 0-2, accordingly.
STOP 4 Don't care Stops the pump (operating mode Stop).
Updates the act_mode1, bits 0-2, accordingly.
MANUAL 5 Don't care
Sets the pump to control mode Manual dosing.
The dosing setpoint man_dosing_flow can now be controlled via
the + and – buttons and from the PROFIBUS via bus_dosing_flow.
Updates the act_mode1, bits 3-5, accordingly.
PULSE 6 Don't care
Sets the pump to control mode Pulse dosing.
The pump will dose pulse_dosing_volume for each external electrical
pulse input.
Updates the act_mode1, bits 3-5, accordingly.
ANALOG 7 Don't care
Sets the pump to control mode Analog dosing.
The dosing setpoint (flow) can now be controlled from the analog input
(4-20 mA).
Updates the act_mode1, bits 3-5, accordingly.
TIMER 8 Don't care Sets the pump to control mode Timer dosing. The pump will dose timer_dosing_volume for every timer_dosing_period.
Updates the act_mode1, bits 3-5, accordingly.
BATCH 9 Don't care
Sets the pump to control mode Batch dosing.
The pump will dose batch_dosing_volume with maximum capacity for
each external electrical pulse input.
Updates the act_mode1, bits 3-5, accordingly.
ANTI_CAVITATE_E 10 Don't care Enables the DME anti-cavitation mechanism (prolonged suction).
ANTI_CAVITATE_D 11 Don't care Disables the DME anti-cavitation mechanism.
DOSE_BATCH 12 Don't care The pump doses a batch in control mode Batch dosing.
START_BLEED 13 Don't care The pump starts bleeding (pressing 100 % button).
STOP_BLEED 14 Don't care The pump stops bleeding (releasing 100 % button).
LOCK_KEYS 15 Don't care Locks the + and – buttons on the pump.
UNLOCK_KEYS 16 Don't care Unlocks the + and – buttons on the pump.
PULSE_DOSING_VOLUME 17 hi, lo1, lo2, lo3 Sets the dosing volume to be used in control mode Pulse dosing.
BATCH_DOSING_VOLUME 18 hi, lo1, lo2, lo3 Sets the dosing volume to be used in control mode Batch dosing.
TIMER_DOSING_VOLUME 19 hi, lo1, lo2, lo3 Sets the dosing volume to be used in control mode Timer dosing.
TIMER_DOSING_PERIOD 20 hi, lo Sets the period of time between dosing in control mode Timer dosing.
TIMER_DOSING_START 21 hi, lo Sets the start time of first dosing in control mode Timer dosing.
MAX_DOSING_FLOW 22 hi, lo1, lo2, lo3 Sets the pump's maximum allowed flow.
CALIBRATION_VOLUME 23 hi, lo1, lo2, lo3 Sets the calibration value of the pump.
LANGUAGE 24 hi Sets the language to be used in menus.
BUS_DOSING_FLOW 25 hi, lo1, lo2, lo3 Sets the dosing capacity to be used in control mode Manual dosing.
COMM_WATCH_E 26 Don't care Enables the communication watchdog which will stop the pump
if communication fails.
COMM_WATCH_D 27 Don't care Disables the communication watchdog.
AUTO_RESTART_E+28 Don't care Enables auto restart after alarm.
AUTO_RESTART_D+29 Don't care Disables auto restart after alarm.
INPUT_SETUP1+30 hi Set up of inputs 1, see section 10.
SCALING_SETUP+31 hi Set up of unit, see section 11.
ANTI_CAVI_SETUP+32 hi Set up of anti-cavitation function, see section 12.
INPUT_SETUP2+33 hi Set up of inputs 2, see section 10.

English (GB)
9
17. Data item overview (inputs)
Abbreviations used:
The table below shows all possible inputs (parameters) in bytes
from the DME pump.
Each parameter is defined as a module in the GSD file. The
modules contain 1 to 4 bytes of input depending on the actual
parameter size. Each module also contains a definition of up to 4
user parameters, which are the actual input number according to
the table below. It is thus possible to add the modules in random
order.
The benefit from defining each parameter as a module in the
GSD file is that the PROFIBUS network only has to read the
number of inputs defined by the modules added by the network
designer. For instance, it is not necessary to read
timer_dosing_volume, which occupies 4 bytes of input, if the
pump is only used in manual control mode.
Example
The module "Pulse Dosing Volume" defines 4 bytes of input
containing:
• pulse_dosing_volume_hi
• pulse_dosing_volume_lo1
•pulse_dosing_volume_lo2
•pulse_dosing_volume_lo3
where pulse_dosing_volume_hi is the most significant byte and
pulse_dosing_volume_lo3 is the least significant byte.
unsca.: The data item is unscaled (e.g. a number, a counter,
etc.).
lo: This is the low-order byte to a 16/32-bit value.
Scaling follows high order.
bits: The data item is bit-interpreted. The bit
interpretation is explained in the next sections.
<unit>: The data item has this unit (with a possible prefix
and factor) as its fixed scaling.
No. Parameter
name Byte weight Parameter description Scaling Factory setting Range Changes
during
operation
Con-
version
index
Data
type
0 Command Ack Command to pump is
returned as an acknowledge Yes 0 5
1Pulse Dosing
Volume
Hi Dosing volume to be used in
control mode "Pulse" dosing 1 nl/P Yes 0 7
2Lo1
3Lo2
4Lo3
5Batch Dosing
Volume
Hi Dosing volume to be used in
control mode "Batch" dosing 0.1 ml Yes –3 7
6Lo1
7Lo2
8Lo3
9Timer Dosing
Volume
Hi Dosing volume to be used in
control mode "Timer" dosing 0.1 ml Yes –3 7
10 Lo1
11 Lo2
12 Lo3
13 Timer Dosing
Period Hi Dosing period to be used in
control mode "Timer" dosing 1 minute Yes 0 6
14 Lo
15 Timer Dosing
Start
Hi Dosing start time to be used
in control mode "Timer"
dosing 1 minute Yes 0 6
16 Lo
17 Max. Dosing
Flow
Hi Maximum allowed dosing
flow 0.1 ml/h Yes –3 7
18 Lo1
19 Lo2
20 Lo3
21 Calibration
Volume
Hi Value used when calibrating
the pump 0.1 ml See
table
below Yes –3 7
22 Lo1
23 Lo2
24 Lo3
25 Language
Code for pump display:
0: English 0-13 Yes 0 5
0: English
1: German
2: French
3: Dutch
4: Spanish
5: Italian
6: Portuguese
7: Danish
8: Swedish
9: Finnish
10: Czech
11: Slovak
12: Polish
13: Russian

English (GB)
10
26 Bus Dosing
Flow
Hi Dosing setpoint from
PROFIBUS 0.1 ml/h See
table
below Yes –3 7
27 Lo1
28 Lo2
29 Lo3
30 Hours Hi Two-hour counter 2 hours 0-65535 Yes 0 6
31 Lo
32 Temperature Temperature in motor/pump 1°C 0-90 Yes 0 2
33 Manual
Dosing Flow
Hi Dosing flow used in control
mode "Manual" dosing 0.1 ml/h Yes –3 7
34 Lo1
35 Lo2
36 Lo3
37 Actual Dosing
Flow
Hi Actual dosing flow,
regardless of control mode 0.1 ml/h Yes –3 7
38 Lo1
39 Lo2
40 Lo3
41 Max. Pump
Flow Hi Maximum pump flow 0.5 l/h
DME 2-18: 5
Fixed No 0 6
DME 4-15: 8
DME 8-10: 15
DME 12-6: 24
DME 19-6: 37
DME 48-3: 96
DME 60-10: 120
DME 150-4: 300
DME 375-10: 752
DME 940-4: 1280
42 Lo
43 Max. Pump
Pressure Maximum pump pressure (head) 0.1 bar
DME 2-18: 180
Fixed No –1 5
DME 4-15: 150
DME 8-10: 100
DME 12-6: 60
DME 19-6: 62
DME 48-3: 26
DME 60-10: 100
DME 150-4: 40
DME 375-10: 100
DME 940-4: 40
44 LED Control Status of green and red
LEDs
If no alarm:
Bits 1-0: Green LED
10: Flashing
Bits 3-2: Red LED
00: Off
8 bits Yes 0 5
45 Power On
Counter Hi Number of times the pump
has been powered on 1 0-65535 Yes 0 6
46
Stroke
Counter
Lo
Pump stroke counter 1 0- 999.999.
999 Yes 0 7
47 Hi
48 Lo1
49 Lo2
50 Lo3
51 Analog Input Hi Value from the analog input
0-20 mA:
4.9 uA If no input signal, the bit
will read 0 0-4095 Yes 0 6
52 Lo 4-20 mA:
3.9 uA
53 Digital Inputs
Logical value of the digital
level inputs:
Bit 0: Level alarm input
Bit 1: Level warning input
Bit 2: External stop input+
Bit 3: Monitor input+
Bit 4: Leakage/diaphragm
input+
Bit 5: Pulse input+
If no input signal, the bit
will read 0 8 bits Yes 0 5
No. Parameter
name Byte weight Parameter description Scaling Factory setting Range Changes
during
operation
Con-
version
index
Data
type