gefran 2308 Bedienungsanleitung Seite 11

Auxiliary display
Indication of displayed channel
REM serial communication
signals, configuration for 8 inputs
100mVac
"Calibration" button
Gives access to various steps of
instrument calibration procedure
Plate showing units of
measurement
"Configuration" button
Gives access to various steps of normal (alarm
setting) and complete calibration procedure for
the instrument
Switches operation from manual to automatic and vice versa. In manual, channel scanning is done
with the "Function" button. In automatic (decimal point of auxiliary display ON), scanning is automatic.
•• Press the key at any point of the configuration procedures to display the software version. Small
display: "U"; Large display: n version. This display persists until the key is pressed again.
• Inputs
(See HW configuration)
• TC Available thermocouples:
J, K, S, R,T
In
- Observe polarities
- For extensions, use the
correct compensating cable
for the type of TC used
1
• RTD Pt100 2-wires Use wires of adequate diameter
(min. 1,5mm
In
For a 15m cable with 1.5 mm
section, the error is
approximately 1°C.
1
Use wires of adequate
• RTD Pt100 3-wires
diameter (min. 1 mm
In
The 3-wire resistors take up 2
inputs: the actual input must
be odd (1-3-5-7), and the next
In
channel, even, for the third
wire.
1
• Linear Scale in direct voltage
0...20, 0...50, 0...10 mV,
In
Scale in direct current
0...20, 4...20 mA
1
• Potentiometer
Potentiometer ≥ 1KOhm
22
Max
With 10V power only
(reference to S6 Power
In
1
Min
0...100mVac
• Vac
~ ATTENTION:
In
all 8 inputs must
be in mVac
Common
1
5 • DESCRIPTION OF FACEPLATE
Signal: alarms 1 and 2 relays energized
"Man/Auto" channel scan button
6 • CONNECTIONS
Parallel Current Loop
Resistance in series to the
diode is 1Kohm; in series to
the transistor collector is
100Ohm
2 )
NOTES:
2
2 )
0...10V
jumper)
1
2
3
4
5
• Serial line
Standard:
21
-
connection
+
20
19
-
+
18
22 21 20 19 18
1 2 3 4 5
INPUTS
6
GND Channel 5 input
7
Channel 1 input Channel 6 input
8
Channel 2 input Channel 7 input
9
Channel 3 input Channel 7 input
Channel 4 input
11
Main display
Displays the variables for the 8 channels
Function button
Used to select the various channels when the
instrument operates in manual and to end the
configuration and calibration procedures at
any time
"Raise" and "Lower" buttons
Lets you raise (lower) any numerical value or
choice of optional. •• Raising (lowering) speed
is proportional to duration of pressing time. ••
The procedure is not cyclical; i.e., once the
maximum (minimum) value for the setting is
reached, the raise (lower) function is blocked
even if the button remains pushed.
• Alarm outputs
Contact capacity
5A/220Vac
Tx
For logic output
24V/15Ma
Rx
• Power Supply
Standard:
90...260Vac/Vdc
48...62Hz
Optional:
10...30Vac/Vdc
17 16 15 14 13
6 7 8 9 10
• MD81
The MD81 unit must be
placed near the
instrument (max 20cm)
C
17
-
All. 2
+
16
NO/NC
15 C
-
All. 1
+
14
NO/NC
~
13
~
12
12
11
(see paragraph 10)
11
CK
10
D
1
GND