NAiS FP2, Technical Manual

Page: 124 / 144

9-6
Note1) The underlined values are default settings.
Note2) When the unit No. setting switch was set to 0, the default setting of the memory switch is 1 for the
computer link mode, and 0 for the PC(PLC) link mode.
Note3) Supplementary explanation of terminator judgement time
1. When 0 is set, the time taken from the reception of one byte until the reception of the next one
byte is the time for 32 bits of the specified baud rate.
Received
data Received
data
1 byte 1 byte
If next data is not received within the time for 32 bits, the reception will be deemed to have been
completed.
.
<Example> In case of 9600 bps, 1/9600x32=3.33 ms
2. When n(n
≠
0) is set:
Received
data Received
data
1 byte 1 byte
If next data is not received within the time for nx10 µs, the reception will be deemed to have
been completed.
Note4) The timing for executing modem initialization is:
2. In case of MCU setting
1) when the power turns on
2) when switching the mode from PROG to RUN.
2. When executing F159 (MTRN) instruction
Reference:
For the details on the modem initialization, refer to <4.2 Remote Control using Modem>.
Regarding address
There is a memory space for the communciation condition setting and monitoring within Multi
Communication Unit (MCU). n-th byte (n-th word) of the address term indicates the setting read and
written using F159 (MTRN) or F161 (MRCV) instruction or the stored address of the register for monitor
data.