Technical data

5-126 Bosch Rexroth AG | Electric Drives and Controls Rexroth VCP-Operating Concept | R911305038 / 01
Standard Mode
5.15.2 Word-Oriented Polling Area
The word-oriented polling area is located on a word address. The con-
troller must be able to access this area in bit-mode!
5.15.3 Serial Message Channel
The serial message channel is a part of the cyclical polling area and is
used to transfer 16-bit information. The numbers of serial messages,
selection of message masks, external selection of masks and transfer
of control codes are made possible via this data channel.
The following handshake is used for the information transfer:
The PLC stores a value (> 0) in this data word. This value is then trans-
ferred to the operating device which will write the value 0 into this data
word again. This indicates to the PLC that it can now transfer the next
Bit
15
Bit
14
Bit
13
Bit
12
Bit
11
Bit
10
Bit
9
Bit
8
Bit
7
Bit
6
Bit
5
Bit
4
Bit
3
Bit
2
Bit
1
Bit
0
Word Ad-
dress +0
Write Coordination Byte
Free
Free
Free
Free
Free
Free
Free
Free
Free
Free
Free
DDF
LM
PL
RQ
ED
Word Ad-
dress +1
Serial Message Channel High Byte Serial Message Channel Low Byte
Word Ad-
dress +2
LED1
On/Off
LED1
Flashing
LED2
On/Off
LED2
Flashing
LED3
On/Off
LED3
Flashing
LED4
On/Off
LED4
Flashing
LED5
On/Off
LED5
Flashing
LED6
On/Off
LED6
Flashing
LED7
On/Off
LED7
Flashing
LED8
On/Off
LED8
Flashing
Word Ad-
dress +3
LED9
On/Off
LED9
Flashing
LED10
On/Off
LED10
Flashing
LED11
On/Off
LED11
Flashing
LED12
On/Off
LED12
Flashing
LED13
On/Off
LED13
Flashing
LED14
On/Off
LED14
Flashing
LED15
On/Off
LED15
Flashing
LED16
On/Off
LED16
Flashing
Word Ad-
dress +4
LED17
On/Off
LED17
Flashing
LED18
On/Off
LED18
Flashing
LED19
On/Off
LED19
Flashing
LED20
On/Off
LED20
Flashing
LED21
On/Off
LED21
Flashing
LED22
On/Off
LED22
Flashing
LED23
On/Off
LED23
Flashing
LED24
On/Off
LED24
Flashing
Word Ad-
dress +5
LED25
On/Off
LED25
Flashing
LED26
On/Off
LED26
Flashing
LED27
On/Off
LED27
Flashing
LED28
On/Off
LED28
Flashing
LED29
On/Off
LED29
Flashing
LED30
On/Off
LED30
Flashing
LED31
On/Off
LED31
Flashing
LED32
On/Off
LED32
Flashing
Word Ad-
dress +6
LED33
On/Off
LED33
Flashing
LED34
On/Off
LED34
Flashing
LED35
On/Off
LED35
Flashing
LED36
On/Off
LED36
Flashing
LED37
On/Off
LED37
Flashing
LED38
On/Off
LED38
Flashing
LED39
On/Off
LED39
Flashing
LED40
On/Off
LED40
Flashing
Word Ad-
dress +7
LED41
On/Off
LED41
Flashing
LED42
On/Off
LED42
Flashing
LED43
On/Off
LED43
Flashing
LED44
On/Off
LED44
Flashing
LED45
On/Off
LED45
Flashing
LED46
On/Off
LED46
Flashing
LED47
On/Off
LED47
Flashing
LED48
On/Off
LED48
Flashing
Fig. 5-48: Word-oriented polling area