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Register numbers
Determining regis-
ter numbers
INFO
MR 1
MR 2
MR 3
MR 4
JVM-104-O15 User Manual
The registers of the interface are combined into one register block. The basic reg-
ister number of this block is dependent on the device.
Device
JVM-104-O15
Tab. 22: Register numbers of the serial interface
In this chapter, only the last two figures of a register number are specified. e.g.
MR 14. To calculate the complete register number, add the basic register number
of the corresponding device, e.g. 103100, to the module register number.
When entering values into registers MR 1 through MR 6, the entire interface is
re-initialized and the transmit and receive buffers are cleared.
Protocol
This register lets you set the protocol which is supported by the OS of the con-
troller. That is, this register is for defining how the interface is used.
Property
Values
Value after reset
Tab. 23: Protocol
Baud rate
This register lets you set the baud rate.
Property
Values
Value after reset
Tab. 24: Baud rate
Number of data bits per character
This register lets you set the number of data bits per character.
Property
Values
Value after reset
Tab. 25: Number of data bits per character
Stop bits
This register lets you set the number of stop bits per character.
Property
Values
Value after reset
Tab. 26: Stop bits
Basic register number
103100
Description
1
System logger
2
User-programmable interface
3
PcomX
3
Description
2,400 ... 115,200
9,600
Description
5, 6, 7, 8
8
Description
1
1 stop bit
2
1.5 stop bits if MR 3 = 5
2 stop bits if MR 3 = 6, 7, 8
1
Programming | 7
Register numbers
103100 ... 103119
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