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Jetter AG
Mapping of LEDs
Register and flag
numbers
Assignment
Application-oriented manual – Control of alphanumeric HMIs (LCD) and printers
3.10 Enabling and disabling LEDs
The controller reads the state of LEDs located in HMI keys from the least signifi-
cant 12 bits of the corresponding register:
Register bit
1
0
3.11 Assigning LEDs
By default, LEDs located in HMI keys are assigned to a register that is overlaid by
special flags.
Multi-display mode allows you to set the number of the register from where to
read the LED state via registers.
HMI
Registers
Single display
1
2
3
4
Tab. 42: LED register and flag numbers
Here, the assignments between keys, special flag and overlaid register are listed.
The given assignments apply in case of single-display mode and when using the
default settings in multi-display mode.
LED in the key
[F1]
[F2]
[F3]
[F4]
[F5]
[F6]
[F7]
[F8]
[F9]
[F10]
[F11]
[F12]
Tab. 43: LED assignment
LED
ON
OFF
Default LED regis-
ter number
-
203143
MR 2833
203143
MR 2834
203143
MR 2835
203143
MR 2836
203143
Flag
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
Control of alphanumeric HMIs | 3
Flag numbers
2224 ... 2235
2224 ... 2235
2224 ... 2235
2224 ... 2235
2224 ... 2235
Register bit
203143.0
203143.1
203143.2
203143.3
203143.4
203143.5
203143.6
203143.7
203143.8
203143.9
203143.10
203143.11
37
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