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16.10 RFI, RFM, RFU RFID readers (S4 switch position 9)
Specifications for the serial interface
Default parameter
Baud rate
Data mode
Handshake
Protocol
Frame
Specifications for Command mode
To activate the Command mode, bit 0 must be set to 1 in control byte 0.
For further information, see chapter 11.1.3 "Command mode", figure 11.2.
Recommended settings
Control bit
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1)
Not for IMRFU/RFU
Input module: dependent on the number of digits of the RFID code that is to be read.
For example, it is advisable to use the input module/output module setting with 24
bytes during the reading of a serial number with 16 characters (+ 2 bytes of status
bytes).
• Output module: 4 bytes
If data are to be written, it is advisable to use the setting with 24 bytes or 32 bytes. The RFID
devices expect the telegrams / data in HEX format.
Leuze electronic
RFM 12,RFM 32 and RFM 62
RFI 32
RFU (via IMRFU)
9600
8N1
no
framing protocol without acknowledgment
<STX> <Data> <CR> <LF>
Meaning
Version query
Activation / deactivation reading gate
Reset parameters to default values
Device restart
Specifications for Leuze end devices
MA
204i
Corresponds to
serial command
(ASCII)
v
+ / -
1)
R
H
91
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