• Input for Strain Gauge sensor (6 wires) (only for version
SW2.0x) for connection to Melt transducers
Analog output for
retransmission
4 to 20mA, Rmax. 150Ω
Generic user-
configurable output
- relay 5A/250Vac
Out3
Isolated digital input
1500V
Ri = 5,6KΩ
(24V, 4mA)
6
5
+
-
External
supply
6
5
6
5
+
-
R
“Raise” and “Lower” keys:
These keys are used for any operation that requires a
numerical parameter to be raised or lowered. ••The
speed of change is proportional to the time the key is
pressed. •• The operation is not cyclic: once the
maximum (minimum) limit is reached, there will be no
further increase (decrease) of the value, even if the
key remains pressed.
The keys can be configured to perform reset, hold,
display of the peak value, etc. as determined by the
‘t.U.’ and ‘t.d.’ parameters on the ‘In’ menu.
3 • DESCRIPTION OF FACEPLATE
Function key:
Gives access to different configuration stages ••
Confirms any parameter changes
Label with engineering units
Indication of output states:
OUT 1 (Alarm 1); OUT 2 (Alarm 2);
OUT 3 (Alarm 3)
Standard:
100 to
240Vac/dc±10%
Optional:
11 to 27Vac/dc ±10%
50/60Hz
6
5
4
3
2
1
7
8
9
10
11
12
18
17
16
15
14
13
19
20
21
22
23
24
• Power supply
11
10
~
~
!
• Logic input / Retransmission output / Relay output
• Inputs
PWR
Indication of output states:
OUT 1 (Alarm 1); OUT 2 (Alarm 2);
OUT 3 (Alarm 3)
1145 108397261
1219 18 131520 141621 1722
Standard:
100 to 240Vac
±10%
Optional:
20 to 27Vac/dc ±10%
50/60Hz
• Power supply
23
24
~
~
PWR
!
Label with engineering units
• Outputs
Generic user-
configurable
outputs
- relay 5A/250Vac
- logic 6V/20mA,
Rout = 220Ω
19
21
20
22
-
+
Out2
-
+
Out1
4 • CONNECTIONS
Digital input
1500V isolation
1500V
Ri = 5,6KΩ
(24V, 4mA)
6
5
+
-
• Logic Input
Analog
retransmission
output
4...20mA,
Rmax. 150Ω
8
7
+
-
• Retransmission output
• Strain-gauge probe input (4 wires)
4
2
3
1
- IN
+ IN
4
2
3
1
• Potentiometer input
+
-
Pot
+
-
Strain-gauge
- IN
+ IN
+
-
R
1,2V
External
supply
PV display: Indication of process variable
•• Indication of ‘HI’ or ‘Lo’ out of range
•• Indication of open circuit (br) or short circuit (Er)
•• Display of configuration and calibration messages
•• Interrupted probe excitation signal (Eb)
PV display: Indication of process variable
•• Indication of ‘HI’ or ‘Lo’ out of range
•• Indication of open circuit (br) or short circuit (Er)
•• Display of configuration and calibration messages
•• Interrupted probe excitation signal (Eb)
Generic user-
configurable outputs
- relay 5A/250Vac
for Out1, Out2
- logic 6V/20mA,
Rout = 220Ω
- Triac
20...240Vac ±10%
3A max
• Outputs
12
14
13
15
Out3
-
+
Out2
16
17
-
+
Out1
~
~
Line
Load
TRIAC
4
2
3
1
- IN
+ IN
+
-
+
-
Strain-gauge
5
6
12
13
CAL
CAL
mod. 48mod. 96
(*) used for internal calibration
(*)
GREEN E
WHITE E
BLACK or
YELLOW S
RED S
BROWN or
ORANGE
BLUE
2
81651C_MHW_40B48-96_0308_ENG
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