KFM 903A50 User manual

Remote device KFM 903A50 903A50
-Page 1 of 2-
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data subjects to alterations 903A50_e1.doc / 1510817
1Display for relay function
2Descriptive text for relay function
3Digital values and descriptive text displays
4Unit of display
5Key for setpoint and parameter mode
6Setpoint adjustment
F903-tft110202
1
2
5
6
Vorlauf / Supply
Rücklauf / Return
Brenner +
Brenner -
Grundlast
RL-Min-Alarm
VL-Max-Alarm
Kaltstart-Begr.
Sollwert
General:
With remote devices 903A50 controller types 903 / 93 with option 99sre can be remotely operated, i.e. all
operations can take place at the controller as well as at the remote control device resp. all indications are
visible on both.
In the attempt of simultaneous operation the device which was operated first has priority. At this device the
operation can be continued normally, at the other device the operation is blocked. But at any time on the
displays of both devices identical contents are indicated. After the used menu level of the prior device has
been left, operation is possible at both devices.
Depending on type, keys can be integrated in the remote device or routed to the terminals for connecting
external keys.
The connection to the controller with option 99sre is realised by a patch cable. The remote device can be
connected in a maximum distance up to 100 m.
Types Li.No.
Remote device standard version, power supply 100...250V AC 903A500
Remote device standard version, power supply 24V DC 903A508
Flow chart: (Examples, single remote device / two remote devices connected via a switch.)
controller 9..sre
remote device
patch cable
(CAT 5e)
°
°
285
282
Supply
Return
F903-tft110202
Vorlauf / Supply
Rücklauf / Return
Brenner +
Brenner -
Grundlast
RL-Min-Alarm
VL-M ax-Alarm
Kaltstart-Begr.
Sollw ert
Vorlauf / Supply
Rücklauf / Return
Brenner +
Brenner -
Grundlast
RL-Min-Alarm
VL-M ax-Alarm
Kaltstart-Begr.
Sollw ert
controller 9..sre
remote device
patch cable
(CAT 5e)
°
°
285
282
Supply
Return
F903-tft110202
Vorlauf / Supply
Rücklauf / Return
Brenner +
Brenner -
Grundlast
RL-Min-Alarm
VL-M ax-Alarm
Kaltstart-Begr.
Sollw ert
Vorlauf / Supply
Rücklauf / Return
Brenner +
Brenner -
Grundlast
RL-Min-Alarm
VL-M ax-Alarm
Kaltstart-Begr.
Sollw ert
Vorlauf / Supply
Rücklauf / Return
Brenner +
Brenner -
Grundlast
RL-Min-Alarm
VL-M ax-Alarm
Kaltstart-Begr.
Sollw ert
switch
Note: Interface connections must be laid out
with shielded and twisted cables of category 5
or better (CAT5e)!

Remote device KFM 903A50 903A50
Parameter setting setup-level / Technical data -Page 2 of 2-
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data subjects to alterations 903A50_e2.doc / 1510924
Hints for setup-level: The setup-level is entirely for the configuration of the remote device and is only used
exceptionally for adjustment of contrast and brightness of the background illumination, resp. for the
configuration of different bus addresses when using two remote devices. The control of the connected
controller in the operating mode is possible automatically after leaving the setup-level.
SETUP
Press and hold the - button, switch on power supply
A frame with the description „SETUP“ shows the activated setup-level.
Release - button,
continue to the next parameter and/or confirm entry:
briefly press each time the - button
To change the setting displayed: Press the ... button
Settings in detail:
(existence depends on version and type): Factory setting:Notes
Adr bus address (0...10) 5 ___
BRIG Brightness adjustment for display remote device (0 ... 100) 50 ___
return to operating mode:
briefly press the - button
Error messages:
OFFLINE Fault on remote interfaces, data link interrupted.
Check the patch cable and the controller 9.. power supply.
Technical data / Installation dimensions
903A50.:
Housing: for panel mounting, 96x96mm
Power supply:24 VDC,alt. 100..250VAC,app. 2 VA
Protect. system (DIN EN 60529):
IP 54 (terminals IP 20)
Permissible ambient temperature: 0...60°C
Nominal temperature: 20°C
Climatic category: relative humidity <= 75 %
yearly average, no condensation
EMC: refer to EN 61326
Interface: Ethernet 10Base-T or 100Base-TX
(autom. baudrate detect.), max. length 100 m
T
B+0,8
H+0,8
H=92mm, B=92mm, T=150mm alternative 70mm
Wiring diagrams:
bin. inputs
remote-interface
power supply
b0
(-) 0V
to controller
27
L+
b1
P-key*
9..
28
L-
b2
29
b3
^ key*
b4
v key*
fuse T0,2A
*= depending on type
903A50.
(Examples, valid for each device is the wiring diagram on its casing only