Specifications

Application Note 455U-D Radio Modem with Profibus
Issue 1.0 – December/06
©ELPRO Technologies Pty Ltd
Page 5 of 6
app_455UD_PROFIBUS_1.0.doc
Configuration can be performed using a terminal package and entering in the associated AT
commands to set the modems up. Refer to manual for all register definitions.
Points to note are,
ATS26 Radio Lead-In Tone Time to be set to 7. (Default 10),
ATS27 Transmitter Hold-Up Time to be set to 0 (Default 60)
&Z3 = 128 (broadcast to all remote units) set at Master Modem
&Z3 = 129 (return path for all remote modems to unit address 1) set at all Remote Modems.
OK
at&v
B3 C7 E1 Q0 V1 X1 &B0 &C1 &D0 &E0 \C6 \N1 \P0 &K0 &L1 &M0 &N1 &U1 \K0 \T60
#A0 #E0 &A4 R5 #O0 &H0 &R0
FT=460.0000 (450.0000-470.0000) FR=460.0000 (450.0000-470.0000)
S0:0 S1:3 S2:43 S3:13 S4:10 S5:8 S6:0 S7:5 S8:0 S9:78 S10:3 S11:0 S12:0
S13:1 S14:50 S15:0 S16:0 S17:0 S18:0 S19:2 S20:0 S21:0 S22:0 S23:0 S24:0
S25:100 S26:7 S27:0 S28:0 S29:0 S30:5 S31:8 S32:71 S33:0 S34:133 S35:141
&Z0= &Z1=
&Z2= &Z3=128
Siemens S7 300 PLC Configuration.
Select
Transmission
Rate to
9.6Kpbs
Profile to User-
Defined
Select Bus
Parameters
Button