Dini Argeo DGT4X Manuale utente
DGT4X
www.diniargeo.com
QUICK START GUIDE V1 ENGLISH
Digital weight Transmitter with 4 channels
2
LOAD CELL 1
+-
IN 2
IN 1
COM
COM
RL2
RL1
12 / 24 Vdc
6 7 83 4 51 2
33 3235 34 29 2831 30 25 2427 26 21 2023 22 19 18
E +
E -
+
+
-
-
S+ S-
SIG +
SIG -
REF +
REF -
EXC +
EXC -
LOAD CELL 2, 3, 4
LOAD CELL 4 LOAD CELL 3 LOAD CELL 2 LOAD CELL 1
E +
E -
+
+
-
-
S+
REF -
REF +
S-
SIG +
SIG -
EXC +
EXC -
11 12 16 179 10
RS485
B(-)
A(+)
J1
13 14 15
GND
RX
TX
RS232
JUMPER J1
QSG_ENG_DGT4X
1. Electrical scheme
Internal use
INPUT:
12÷48 Vdc,
OUTPUT:
48Vac or 60Vdc,
0,5 A max
CONSUMPTION:
4,5 W max.
For UL approved
models: equipment
to be powered by
12-24 Vdc LPS
or Class 2 power
source.
Load cells exitation: 5 V.
Load cells output: 6 mV/V max.
There’s a single SENSE circuit that
compensate all 4 load cells.
In LOAD CELL 2, 3, 4 connect:
SEN + to EXC +
SEN - to EXC -
3
CELL 4 CELL 3 CELL 2 CELL 1
PWR INPUT 485RELAYS ANALOG232
g
kg
lb
NET
0~
FW1
SP1 W2
SP2
35
EXC -
EXC +34
SIG - 29
SIG + 28
SIG - 25
SIG + 24
EXC - 23
REF -
21
REF 20
SIG - 19
SIG + 18
26
EXC +
22
EXC +
+
EXC +30
EXC -
31
SIG + 32
SIG - 33
EXC -27
24Vdc
Earth
1
RL 1
6
RL 2
7
5
IN 1
4
COM
3
2
COM
8
GND
IN 2
I -
10
I +
9
GND
15
A +
16
14
TX
13
V -
12
11
B -
17
V +
RX
ZERO TARE MODE PRINT
g
kg
lb
NET
0
~
FW1
SP1 W2
SP2
QSG_ENG_DGT4X
2. Key function in configuration menu and in weighing mode
Configuration menu
Decreases digit / Scroll down.
Increases digit / Scroll up.
Enter the setup.
Selects digit to modify.
Enters a step / Confirms.
Clears / Exits a step (no save).
Weighing mode
Clears the displayed gross weight.
With short pressing: executes semiautomatic tare.
With long pressing: allows to enter known tare.
With long pressing: allows to switch between scales
(only in Mode 2 “ind.Ch”).
With short pressing: execute a data transmission on
the printer serial port.
With long pressing: Setpoint configuration.
ON/Standby of the instrument.
0
Weight on zero.
~
Unstable weight.
NET
A tare is active.
F
A function is active.
W1
SP1
Digital output 1 is active.
W2
SP2
Digital output 2 is active.
3. Indicator lights meaning
4
1
3
5
7
9
2
4
6
8
10
11
12
13 1
2
1
2
14
15
16
17
div.deC
TYPE
Cel.sen
span
i n P. 0 2
i n P. 0 1
oP
Cel.Cap
Chan
dead.ld
zero
0.Calib
adC.v
inPs
o . 0 1
o . 0 2
888888
CapaC
nChan
485
exCl.Ch
CloCk
QSG_ENG_DGT4X
4. Configuration menu
1. Reboot the weight transmitter
2. Press the key when display shows the 888888 message:
Theoretical calibration (ch. 7).
Zeroing of the deal load (pre-tare zeroing) (ch. 8).
Load cell exclusion (ch. 14).
Date and time setting (with optional card only).
RS485 port configuration (ch. 13).
Digital input configuration (ch. 11).
Digital output configuration (ch. 12).
HOW TO EXIT THE MENU AND STORE YOUR CONFIGURATION
1. Press key many times until save? message will appear; press to store or press to exit without storing.
Functioning mode (ch. 5).
Scale configuration: capacity, resolution and decimal point (ch. 6).
Calibration with sample weight (ch. 9).
Load cells diagnostic (ch. 10).
5
1 1
2
2
3
TYPE
888888
CELL 4 CELL 3 CELL 2 CELL 1
PWR INPUT 485RELAYS ANALOG232
g
kg
lb
NET
0
~
FW1
SP1 W2
SP2
35
EXC -
EXC+34
SIG - 29
SIG + 28
SIG - 25
SIG + 24
EXC - 23
REF -
21
REF 20
SIG - 19
SIG + 18
26
EXC+
22
EXC+
+
EXC+30
EXC -
31
SIG + 32
SIG - 33
EXC -27
24Vdc
Earth
1
RL 1
6
RL 2
7
5
IN 1
4
COM
3
2
COM
8
GND
IN 2
I -
10
I +
9
GND
15
A +
16
14
TX
13
V -
12
11
B -
17
V +
RX
ZERO TARE MODE PRINT
g
kg
lb
NET
0
~
FW1
SP1 W2
SP2
dep.Ch
Type
nChan
Chan
ind.Ch
n.Chan
CHAN
= dep.Ch
= 2÷ 4
Type
Chan
n.Chan
= ind.Ch
= 1÷ 4
= 1÷ 4
CELL 4 CELL 3 CELL 2 CELL 1
PWR INPUT 485RELAYS ANALOG232
g
kg
lb
NET
0
~
FW1
SP1 W2
SP2
35
EXC -
EXC+34
SIG -
29
SIG +
28
SIG -
25
SIG +
24
EXC -
23
REF -
21
REF
20
SIG - 19
SIG + 18
26
EXC+
22
EXC+
+
EXC+30
EXC -
31
SIG +
32
SIG -
33
EXC -
27
24Vdc
Earth
1
RL 1
6
RL 2
7
5
IN 1
4
COM
3
2
COM
8
GND
IN 2
I -
10
I +
9
GND
15
A +
16
14
TX
13
V -
12
11
B -
17
V +
RX
ZERO TARE MODE PRINT
g
kg
lb
NET
0
~
FW1
SP1 W2
SP2
QSG_ENG_DGT4X
5. Functioning mode
Digital equalisation box mode.
Multi-scale mode.
Set the number of active channels.
Select the channel to be programmed (for ind,Ch mode only).
MODE 1 “DEP.CH”
MODE 2 “IND.CH”
Allows to connect directly the load cells, equalize them (if necessary) and transmit each load cell data and the total weight through Fieldbus.
Allows to manage up to 4 indipendent scales and transmit all data of each scale through Fieldbus.
not visible
Load cell 1
Scale 1
Load cell 3
Scale 3
Load cell 2
Scale 2
Load cell 4
Scale 4
6
6
7
8
888888
888888 div.deC
div.deC
...
Cel.Cap
div.deC
Cel.sen
dead.ld
CELL4 CELL 3 CELL2 CELL1
PWR INPUT 485RELAYS ANALOG232
g
kg
lb
NET
0
~
FW1
SP1 W2
SP2
35
EXC-
EXC+34
SIG- 29
SIG+ 28
SIG- 25
SIG+ 24
EXC- 23
REF-
21
REF 20
SIG- 19
SIG+ 18
26
EXC+
22
EXC+
+
EXC+30
EXC-
31
SIG+ 32
SIG- 33
EXC-27
24Vdc
Earth
1
RL1
6
RL2
7
5
IN1
4
COM
3
2
COM
8
GND
IN2
I-
10
I+
9
GND
15
A+
16
14
TX
13
V-
12
11
B-
17
V+
RX
ZERO TARE MODE PRINT
g
kg
lb
NET
0
~FW1
SP1 W2
SP2
CELL4 CELL 3 CELL2 CELL1
PWR INPUT 485RELAYS ANALOG232
g
kg
lb
NET
0
~
FW1
SP1 W2
SP2
35
EXC-
EXC+
34
SIG-
29
SIG+
28
SIG-
25
SIG+
24
EXC-
23
REF-
21
REF
20
SIG- 19
SIG+ 18
26
EXC+
22
EXC+
+
EXC+
30
EXC-
31
SIG+
32
SIG-
33
EXC-
27
24Vdc
Earth
1
RL1
6
RL2
7
5
IN1
4
COM
3
2
COM
8
GND
IN2
I-
10
I+
9
GND
15
A+
16
14
TX
13
V-
12
11
B-
17
V+
RX
ZERO TARE MODE PRINT
g
kg
lb
NET
0
~FW1
SP1 W2
SP2
6
7
div.deC
...
div.deC
div.deC
CapaC
QSG_ENG_DGT4X
Complete menu
at page 4
6. Maximum scale capacity, increment and decimal point setting
Set the decimal point position and the minimum scale increment*1
( 0,001 - 0,002 - 0,005 - 0,01 - 0,02 - 0,05 - 0,1 - 0,2 - 0,5 - 1- 2- 5- 10 - 20 - 50 ).
Set the maximum scale capacity*2(max 999999 ).
Examples:
7. Theoretical calibration
Set the total load cells capacity (up to 999999).
Set the load cells sensitivity (up to 999999).
(mV/V cell1) + (mV/V cell2) + (mV/V cell3) + (mV/V cell4)
(mV/V cell1) + (mV/V cell2) + ... + (mV/V celln)
n
Insert in Cel.sen parameter, the load cells sensitivity
sum value:
For each scale to calibrate, insert in Cel.sen parameter the
average sensitivity value of the load cells:
Dead load weight (from -9999.9 to 99999.9).
*1Increment = the amount that the scale will increment by as weight is added or removed.
*2Maximum capacity = the maximum weight that can be measured using the scale you are creating.
1. Set div.deC and CapaC
(ch. 4).
2. Set in Cel.Cap the total load cells
capacity (sum of the nominal load cell
capacities).
3. Set in Cel.sen the theoretical signal
value of the load cells.
4. Enter in dead.ld step. The display
shows the theoretical dead load
value. Modify the value and/or confirm
with .
5. Save calibration (Press key many
times until save? message will
appear, then press to confirm).
For a 60000 kg scale, with 2 kg
increment:
div.deC = 2
CapaC = 60000
For a 10000 g scale, with 0,1 g increment:
div.deC = 0,1
CapaC = 10000,0
For a 3000 kg scale, with 0,05 kg
increment:
div.deC = 0,05
CapaC = 3000,00
MODE 1 “DEP.CH” MODE 2 “IND.CH”
7
12
11
10
9
888888
888888
888888
i
div.deC
div.deC
...
0.Calib
div.deC
div.deC
...
zero
Span
div.deC
...
adC.v
QSG_ENG_DGT4X
Complete menu
at page 4
8. Zeroing of the mechanic tare (pre-tare zeroing)
Zeroing of the pre-tare (or mechanical tare).
This functionality allows to zero the weigh of the scale structure (e.g. empty silo, conveyor, etc.) without changing the calibration in
memory.
9. Calibration with sample weight
Zero point acquisition.
1. Unload the scale. 2. Enter the zero step to adjust the
zero point.
5. Save adjustment (Press key
many times until save? message will
appear, then press to confirm).
Sample weight acquisition.
3. Load the scale with span weight.
4. Enter the span step, type the span
weight value and press to adjust.
10. Diagnostic of the load cell V/V
It allows to verify signal of each channel. It must be included into the range 0 to 3 mV/V.
Signal have to be stable and it have to increase by increasing the weight on the scale.
With more channels connected, it’s possible to scroll between channels with keys and .
8
13 1
2 1
4
2
5
3
6
7
8
888888
C
none
are
mode
off
zero
prin
dis.key
div.deC
...
inps div.deCinp.01
inp.02
14 1
2 1
2 1
2
3
s.1 on
s.2 on
888888 div.deC
...
oUTPUT
no/nC
0 none
fnC
1 Gros
2 ne
div.deCo.01
o.02
QSG_ENG_DGT4X
Complete menu
at page 4
11. Input setting
See INP.02
Input disabled.
When input is active, transmitter keyboard is locked.
When input is active, transmitter reboots.
Emulation of key.
Emulation of key.
Emulation of key.
Emulation of key.
Emulation of key.
12. Output setting
See o.02.
Setpoint on gross weight.
Setpoint on net weight.
Output disabled.
Normally open / normally close.
12.1 HOW TO PROGRAM SETPOINTS
1. In weighing mode, press
for 3 second.
2. Select the setpoint to modify:
Set the output 1
setpoint value.
Set the output 2
setpoint value.
3. Press key to store and exit
the menu.
Please refer to the complete technical manual for more information.
9
15 1
2
888888 div.deC
...
485 div.deCse.add
bad
i
16 1
2
3
4
5
888888 div.deC
...
exCl.Ch div.deCnone
Ch 1
Ch 2
Ch 3
Ch 4
QSG_ENG_DGT4X
Complete menu
at page 4
13. RS485 port
485 address (01 ÷ 98).
Baud rate (1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200).
The RS485 port is configured by default to communicate in Modbus RTU (ch. 18).
14. Broken laod cell exclusion (for dependent channels systems)
No channel excluded.
Channel 1 excluded.
Channel 2 excluded.
Channel 3 excluded.
Channel 4 excluded.
If a load cell is broken, it’s possible to temporarely exclude the channel where it is connected and continue to weigh, pending
replacement.
WARNING: this operation reduces the accuracy of the weighing system. We recommend use for liquid weighing or in applications
where the load is evenly distributed.
Visible only in DEP.Ch mode.
10
QSG_ENG_DGT4X
15. Programming errors
MESSAGE DESCRIPTION SOLUTION
preC. Calibration error First calibrate the zero point (zero), then proceed with the
sample weight acquisition (span) (ch. 9).
Err.pn Calibration error
Check the connection of the load cell. Check that the cell
signal is stable, valid and greater than that of the previously
acquired point.
Er 11 Calibration error Increase the calibration weight.
Er 12 Calibration error Check that the signal coming from the cell increases upon the
increasing of the weight loaded on the scale.
Er 37 Calibration error Repeat the calibration, checking that the capacity
and division have been correctly set.
Er 39 Instrument not configured Transmitter needs to be configurated.
C.e r. 36 Calibration error Check that the signal coming from the load cell is not negative.
C.e r. 37 Calibration error Check that the signal coming from the load cell is not negative.
Err.mo Weight unstable
Check in adC.v parameter that the signal is stable.
If the connection of the cells is with 4 wires, check that the sense
jumpers are inserted.
adC.err A/D converter error Converter failure. Reboot the instrument.
Cel.err Global load cell error Signal anomaly: check the load cells connection.
Er.Cel.1
...
Er.Cel.4
Load cell error Signal anomaly: check the indicated load cell connection.
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