gefran 600 Manual De Uso página 19

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Function indicators
Indicates modes of operation
MAN/AUTO
= OFF (automatic control)
ON (manual control)
SETPONT1/2 = OFF (IN1 = OFF - local Setpoint 1)
ON (IN1 = ON - local Setpoint 2)
SELFTUNING = ON (enabled Self)
OFF (disabled Self)
Automatic/Manual adjustment selection
Active only when PV display visualises
the process variable
Press to increment (decrement) any numerical parameter •• Increment (decrement) speed is
proportional to time key stays pressed •• The operation is not cyclic: once the maximum
(minimum) value of a field is reached, the value will not change even if the key remains pressed.
• Ammeter outputs/input
User configurable generic output
19
- 5A at 250Vac/30Vdc relay
-
- 24V, 10V at 20mA logic
Out2
- triac 20...240Vac, 1A ±10%
20
+
21
- 5A/250Vac relay only
Out1
22
- 5A at 250Vac/30vdc relay
- 24V, 10V at 20mA logic
6
-
- continuous 0...10V, 0/4...20mA
Out3 (Al2)
- analog 0...10V, 0/4...20mA for
transmission, resolution 12 bit
Ing. T.A.
- input from current transformer
5
+
50mAac, 10 Ω 50/60 Hz
- logic input 24V, 5mA or from
no-voltage contac
• Power Supply
Standard:
100...240Vac/Vdc ± 10%
~
23
PWR
20...27Vac/Vdc ± 10%
~
24
Max. power 8VA; 50/60 Hz
• Serial line / output 4
Modbus
Cencal
B
9
9
TX
A
10
10
11
11
RX
Standard
configuration
12
RS485 isolated serial line
See serial card data sheet for Cencal configuration
• Device structure
SERIAL INTERFACE/OUT4
CPU
DISPLAY
3 • DESCRIPTION OF FACEPLATE
"Inc" and "Dec" key
4 • CONNECTIONS
19
20
21
22
23
24
!
Optional:
Out 4
-
5A at 250Vac/30Vdc
relay
+
-
11
+
12
POWER
TOP
18
7
6
17
8
5
16
9
4
15
10
3
14
11
2
13
12
1
• Linear input (I)
Linear
-
4
input in
dc
2
current
+
20mA,
1
Ri = 50Ω
• Linear input (V)
Linear input in
2
-
dc voltage
60mV, 1V
Ri > 1MΩ
5V, 10V
1
Ri > 10KΩ
+
Power board
Select
transmitter
voltage
CPU board
19
Indication of output states
OUT 1 (AL1); OUT 2 (Main); OUT 3 (HB); OUT 4 (HB)
PV Display: Indication of process variable
Error Indication: LO, HI, Sbr, Err
LO= the value of process variable is < di LO_S
HI= the value of process variable is > di HI_S
Sbr= faulty sensor or input values higher than max. limits
Err= PT100 third wire opened for PT100, PTC or input
values lower than min. limits (i.e.: TC wrong connection)
SV display: Indication of setpoint
Function key
Gives access to the various configuration phases ••
Confirms change of set parameters and browses next or
previous parameter (if Auto/Man key is pressed)
• Inputs
• TC Input
Available thermocouples:
J, K, R, S, T, B, E, N,
L, U, G, D, C
- Observe polarities
- For extensions, use the
correct compensating cable
for the type of TC used
• Linear input with 3-wire transmitter
Connect at 20mA input
4
+
VT
24V o 15V
3
-
2
+
1
• Input 1 linear with transmitter 2 wires
4
+
24V o 15V
VT
3
-
2
4...20mA
+
1
• Pt100 / PTC / NTC
Use wires of
3
adequate diameter
(min. 1mm
2
)
PT100, JPT100,
2
PTC, NTC
1
PTC / NTC /
Pt100 2 wires
• Identification of boards
-
2
1
+
+
S
-
+
-
T
T
Pt100 3 wires
Select signal at
contact 3

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