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Quick installation guide
UMB ISO-Converter ISOCON
Overview
Sensor Power Supply and RS485 Sensor Connection
SS3-2
Pin 1:
+12V
Power supply for all 12V sensors
Pin 2:
GND1
Electrically isolated earth for all 12V sensors
Pin 3
+24V
Switchable power supply for all 24V sensors
Pin 4:
GND2
Earth for all 24V sensors
SS3-1
Pin 1:
A
2 wire RS485 A
Pin 2:
B
2 wire RS485 B
Pin 3:
A
2 wire RS485 A, internally bridged with Pin 1
Pin 4:
B
2 wire RS485 B, internally bridged with Pin 2
A terminator of approx. 120 Ohms is recommended between terminals A & B on long
lines (>300m).
Mounting Rail Bus Connector, assembly only on a grounded DIN rail !
Installation and Commissioning
1. First configure all the modules in accordance with your requirements.
2. Clip the required number of mounting rail bus connectors onto the DIN rail and
then connect all the ISOCON modules.
3. Connect one UMB sensor to each ISOCON module. Pay attention to the
different voltage ranges (12V/24V) of the UMB sensors and the correct polarity
on the power supply and bus connection.
4. Now connect the 24V power supply to the mounting rail bus connectors.
5. Connect your host system to any desired RS232 interface of an ISOCON or to
the RS485 interface of an additional ISOCON converter. Please note that, in this
case, the host communication of this ISOCON converter must be set to
RS485/2D. The equipment is now ready for operation.
For the operating manual, please visit the web page
RS485-Sensor-Interface (SS3-1)
Sensor output voltage 12V/24V (SS3-2)
Power supply & RS485-Bus-
Interface
RS232-Interface
Status-LEDs
Sensor output voltage 12V/24V (SS3-2)
RS485-Sensor-Interface (SS3-1)
Earth 24V Power Supply, Feed
Earth 24V Power Supply, Feed
+24V Power Supply, Feed
B1, Internal Bus
A1, Internal Bus
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Configuration
In order to configure the device, unscrew the top of the housing on the left and right
(see Ill. 1). Pull the printed circuit board out of the housing until the end stop. Set the
desired configuration on both DIP switches (see Ill. 2), in accordance with the following
tables for DIP1 and DIP2. Next close the housing (housing top and bottom sections must
engage together) and install the ISOCON on the mounting rail bus connector.
Static discharge can damage electronic equipment. Discharge the electrical
charge of your body before opening and configuring the equipment: To do this, touch
an earthed surface, e.g. the metal housing of the control panel.
fig. 1: Unscrew housing top
DIP 1: Host communication can be configured
Meaning
1
Factory Setting *1)
OFF
1200 Baud *2)
ON
2400 Baud *2)
OFF
4800 Baud
ON
9600 Baud
OFF
19200 Baud
ON
38400 Baud
OFF
57600 Baud
ON
Host Comm. RS232
X
Host Comm. RS485/2D
X
Watchdog RS232 *3)
X
Diagnostic mode, for
X
internal use only
1) Host communication: RS232, baud rate 19200 baud
2) Firmware updates for the USB sensors are not possible at these baud rates
3) If the "Watchdog RS232" function is activated, the ISOCON monitors the data traffic on the RS232 interface.
If there is no data enquiry for more than 45 minutes, the12V/24V output is reset in accordance with DIP2. This
function can be used to reset a modem, for example.
DIP 2: Different modes can be configured
Meaning
1
Factory Setting *1)
ON
Automatic Routing *2)
OFF
Reset Function 12V *3)
x
Reset Function 24V *4)
x
Diagnostic Mode, for
x
internal use only
1)
12V/24V reset functions activated.
2)
Function not currently available.
3)
Switches the 12V power supply on/off cyclically if communication with the sensor is not
possible.
4)
Switches the 24V power supply on/off cyclically if communication with the sensor is not
possible.
X : any desired setting possible
Status LED's
Red LED:
- If this LED lights up permanently after switch-on there is a
configuration fault.
- If this LED lights up during operation, the reset function for
interrupting the sensor power supply is activated.
Green LED:
- This LED flashes briefly (20ms) every 10 seconds to display the
function of the device.
- If this LED lights up for a longer period (>500ms), data is being
received from the connected sensor.
fig. 2: DIP switch
DP1 DIP Switch
2
3
4
5
OFF
OFF
OFF
OFF
OFF
OFF
X
X
ON
OFF
X
X
ON
OFF
X
X
OFF
ON
X
X
OFF
ON
X
X
ON
ON
X
X
ON
ON
X
X
X
X
OFF
OFF
X
X
OFF
ON
X
X
ON
OFF
X
X
X
X
DP2 DIP Switch
2
3
4
5
ON
ON
ON
ON
x
x
x
x
OFF
x
x
x
x
OFF
x
x
x
x
x
x
Check the DIP switch
6
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
6
ON
ON
ON
ON
OFF
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