IB IL RS UNI(-2MBD)-PAC
8235_en_01 PHOENIX CONTACT 14
13 Process data word 0
13.1 Control word
Commands
Command toggling
Command toggling is used to execute a command on a termi-
nal again. In this way, a second command code is available
for the same function.
This applies for the following commands:
– Transmit characters
– Store characters temporarily
–Read characters
–Read counters
Here, bit 14 is used for toggling. If, for example, you wish to
transmit character strings in sequence, use command code
001
hex
for the first transmission and then use 101
hex
and
001
hex
alternately.
1514131211109876543210
0 Command OUT parameter Control bits
76543210
DTR0000Reset trans-
mit error
Reset receive
error
0
DTR (if DTR control enabled)
Code [bin] Meaning
0DTR = logic 0
1DTR = logic 1
The DTR signal can only be controlled when
DTR control is enabled via process data, that is
when the DTR control bit has been enabled in
the configuration (see "Write configuration"
command).
Code [bin] Meaning
Reset transmit error
0 No action
1 Reset transmit error
Reset receive error
Code [bin] Meaning
0 No action
1 Reset receive error
The listed protocols do not support transmit
and receive errors.
Code
[bin]
Code
[hex]
Command
000 0 Read number of characters received
001 1 Transmit characters
010 2 Store characters temporarily
011 3 OUT parameter = 0
hex
: Read characters
011 3 OUT parameter = C
hex
: Read firmware
version
011 3 OUT parameter = D
hex
: Read configura-
tion
011 3 OUT parameter = E
hex
: Read counters
100 4 Write configuration
101 5 Toggling command 1: Transmit charac-
ters
110 6 Toggling command 2: Store characters
temporarily
111 7 Toggling command 3: Read characters
