GHM Martens BA 24N2 Series User manual

Members of GHM GROUP:
Bargraph indicator
BA9624 / 7224 / 4824N2
User manual

2GHM GROUP – Martens | User manual | BAxx Bargraph indicator
Contents
1. Assembly 6
2. Electrical connection 8
3. Description of functions and operation 10
4. Setting up the device 12
4.1. Switching on 12
4.2. Parameterisation 12
4.3. Bargraph display during parameterisation 14

3
5. Factory settings 19
6. Technical data 20
7. Safety advices 25
8. Error elimination 28
9. Identification 29

4GHM GROUP – Martens | User manual | BAxx Bargraph indicator
Size (W x H)
48 x 24 mm Size (W x H)
72 x 24 mm
Size (W x H)
96 x 24 mm
Direct voltage/Direct current
0 – 10 VDC, 0/4 – 20 mA
Switchable display colour: standard: red/green,
optional: green/orange or blue/red

5
Technical features
○Bargraph colour red or green, adjustable via code switch
○minimal installation depth due to a pluggable screw terminal
○parameterisation via HEX-switch and pushbutton
○pre-adjusted input (ex factory) for standard signal 0 to 10 V
and 0/4 to 20 mA
○free adjusting on the input signal
○8 different types of notation, adjustable as bars, dot or curtain
○free selection of direction and notation of the middle
(e.g. bars starting from the middle)
○gradually brightness control
○protection class IP65 at the front
○pluggable screw terminal
○optional: colours green/orange, blue/red
User manual
Bargraph indicator
BA9624 / 7224 / 4824N2

6GHM GROUP – Martens | User manual | BAxx Bargraph indicator
1. Assembly
Please read the Safety advices on page 25 before installation and keep
this user manual for future reference.
1. After removing the fixing elements, insert the device.
2. Check the seal to make sure it fits securely.
3. Click the fixing elements back into place and tighten the clamping
screws by hand. Then use a screwdriver to tighten them another
half a turn.
CAUTION! The torque should not exceed 0.1 Nm!
The dimension symbols can be exchanged before installation
via a channel on the side!

7

8GHM GROUP – Martens | User manual | BAxx Bargraph indicator
2. Electrical connection
123 4 5
0/4....20 mA
Input
_
+
0...10 V
_
+
Supply
Power Suppl
y
24 VDC
L- L+

9
Connection examples
Below you find some connection examples, which demonstrate
some practical applications:
BAxx24N2 in combination with a
2-wire-sensor and 4-20 mA
BAxx24N2 in combination with a
3-wire-sensor and 0/4-20 mA
BAxx24N2 in combination with a
3-wire-sensor 0-10 V

10 GHM GROUP – Martens | User manual | BAxx Bargraph indicator
3. Description of functions
and operation
Operation
Programming happens via 2 operating elements. A code switch
with 9 positions and a pushbutton on the rear side of the device.
Code switch
Access to the 9 levels of the bargraph display happens via
the code switch.
Pushbutton
The parameters stored in the menu item can be parameterized here.
Functions that can be adjusted or changed are always indicated
with a flashing of the segments. Adjustments made at the para-
meterization level should always be confirmed by pressing the push-
button to save them.