Advantech Wireless SSPBMg-C400-BRE, Инструкция по установке и эксплуатации

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SSPBMg-C400-BRE
12. APPENDIX B: RS-485 SKYWAN SERIAL COMMUNICATION
ROTOCOL
For remote oper ion. The M&C
function contain als of the SSPB.
ach sing a fo S485 signal.
12.1 HARDWARE C
In
der e RS serial communication serial connector of a PC and the
10-pin MS connector (RS485 RS232) of the S S-485/RS-232 sho d.
Follow the wiring described in TABLE 7
P
ation, the SSPB is equipped with a monitor and control funct
s all of the relevant data concerning the control and status sign
This is
ieved by u ur-wire R
ONSIDERATIONS
or to use th 485 between a DB-9
SPB, an adaptor R uld be use
.
12.2 RS-485 INTERFACE ON 4 WIRES
T
is a ull-du ex interface.
order to maintain synchronization, the RS485 receiver will reset if a message is not completed
ithin 50 msec of initiation.
2.3 TRANSMISSION PROTOCOL
aud Rate 9600 bps
Data
Bit
none
Stop
Bits 1
Minim Resp
sec
Maximum Response Time
msec
If the SSPB does not respond within the maximum response time, the controller should
yclically repeat the command.
he SSPB is equipped with a calibrated power sensor for measuring the power delivered to the
ntenna from the rated output value to the 20-dB back off. This value, in dBm, is available
rough the M&C RS485 Interface for the monitoring of the power level and the ALC. The
ported power accuracy is
±
1.0 dB absolute and
±
0.5 dB relative.
his 4-wire f pl
In
w
1
B
s 8
Parity
onse Time 10 m
20
c
T
a
th
re
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