MDS 05-4846A01, Rev. D SD Series Technical Manual 9
3.0 TYPICAL APPLICATIONS
This section describes common scenarios the transceiver may be used
in. A number of variations are possible; If you have unique requirements
not found here, it is recommended that you consult a support specialist
at GE MDS. Contact information is provided at the back of this manual.
3.1 Operating Parameters
The transceiver can operate in both poll-response and “push” communi-
cation/report-by-exception networks. In poll-response networks a cen-
tral Master unit communicates with a number of Remote radios one at a
time. The Master exchanges data with the currently-connected Remote,
and when finished, it establishes a new connection with the next Remote
in the polling order. In push communication/Report by Exception net-
works, a Remote can also transmits if it has data to send, typically
prompted by a change in status conditions from connected data equip-
ment.
The radio includes a number of parameters which may be set to suit the
requirements of a particular application. Table 2 provides a summary of
common applications, protocols, and radio modes used. Refer to the
table to determine what applications can be supported and what the
required radio settings are.
Table 2. Application Types vs. Key Radio Settings
Application
Protocol
(Example)
Recommended
Radio Mode
Notes
Polled Bridged Ethernet MODBUS TCP Packet w/MAC May also use Packet mode and enable LBT
w/Listen on RX.
Bridged Ethernet IP(ICMP/TCP/UDP/
MODBUS TCP)
Packet w/MAC May also use Packet mode and enable LBT
w/Listen on RX.
Mixed Serial and Bridged
Ethernet
MODBUS RTU & IP Packet w/MAC
Report by Exception Serial and/or IP Packet w/MAC
Single Poll Multiple
Response
Serial and/or IP Packet w/MAC
Two or more concurrent
serial polling applications
(COM2, COM1, and /or
IP Payload at master
DNP3 and Modbus
RTU
Packet w/MAC
Single Port Serial Polling
with encryption (COM2 or
COM1)
Modbus RTU Packet AES On
Single Port Serial Polling
without encryption
(COM2, COM1, or IP
Payload at master)
Modbus RTU Transparent AES Off
To Next Page
Loading...