System Manual – MOVIDRIVE® compact Drive Inverters
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Installation notes for the INTERBUS-LWL interface (MCH42A)
Installation
Setting the process
data and PCP
length
A maximum of six INTERBUS data words can be exchanged between the INTERBUS
interface and the inverter. These data words can be distributed between the process
data channel and the PCP channel using DIP switches S1 to S5. The restriction to six
data words results in settings that cannot be mapped onto the INTERBUS.
The inverter issues the "Microprocessor not ready" ID code (38hex) if the setting is in-
correct. The red TR LED indicates that the setting is incorrect. The following figure
shows the limit conditions for setting the process data length and PCP length with the
following restrictions:
Examples:
All settings not listed here result in the ID code "Microprocessor not ready." The inverter
then signals 0PD in parameter P090 "PD configuration" and indicates that the setting is
incorrect by means of the red TR LED.
05217AXX
Figure 108: Settings for operating the inverter with 6 process data items
[1] The PCP settings with S4 and S5 are not in effect.
Process data length in words
PCP length
ID code
6
PCP setting not in effect;
no PCP channel available
03hex (3dec)
05218AXX
Figure 109: Examples for setting the PCP length and maximum process data length
PCP length
Maximum process data length
ID code
1 word
5 words
E3 hex (227dec)
2 words
4 words
E0 hex (224dec)
4 words
2 words
E1 hex (225dec)
If maximum length is exceeded or the
setting is 0 or 7 PD
38 hex (56dec) = "Microprocessor not ready"
1 2 3 4 5 6
ON
6 PD
[1]
2
0
2
2
2
1
2
1 4
ID: 03hex (3dez)
1 2 3 4 5 6
1 2 3 4 5 6
1 2 3 4 5 6
ON
ON
ON
5 PD
4 PD
2 PD
1 PCP
2 PCP
4 PCP
2
0
2
0
2
0
2
2
2
2
2
2
2
1
2
1
2
1
2
2
2
1
1
1
4
4
4
ID: E3hex (227dez)
ID: E0hex (224dez)
ID: E1hex (225dez)
Summary of Contents for MOVIDRIVE compact MCH41A
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