FreeWave Technologies Inc. 715712152112 사용자 설명서
Global Transceiver Module (GXM) Wireless Data Transceiver User Manual
LUM0031AA Version
1.0
23
TurnOn/OffDelay
(E)
(E)
These settings are not utilized in the GXM.
FlowControl (F)
This menu specifies the hardware flow control for the Data port. The options for 0-3
are described below.
are described below.
Menu Port Additional
Information
0 None Default – No flow control
1
RTS
Uses Standard RTS/CTS control lines
2
DTR
3
DOT
M
ODBUS
RTU
T
IMING
The Modbus RTU setting causes the radio to wait for an amount of time, “gathering” data before sending
that data out the radio link.
that data out the radio link.
With a Modbus RTU setting of 0 (Disabled), the radio will send data out its radio link as soon as the data
is received into the serial port.
is received into the serial port.
With a Modbus RTU setting of 1, the radio will wait for a number of slots equal to 2 times the Master
Packet Repeat setting before sending the received data out the radio link. For example, if Master Packet
Repeat = 3, the radio will wait for 6 slots, gathering data up the whole time. At the end of the 6 slots, the
radio will send all received data in one “burst”. This is the appropriate setting for most Modbus RTU
devices.
Packet Repeat setting before sending the received data out the radio link. For example, if Master Packet
Repeat = 3, the radio will wait for 6 slots, gathering data up the whole time. At the end of the 6 slots, the
radio will send all received data in one “burst”. This is the appropriate setting for most Modbus RTU
devices.
With a setting of 2 and higher, the radio will wait for a number of slots calculated by the following formula:
(Modbus RTU Setting + Master Packet Repeat Setting + 1) x 2
For example, in a radio where the Modbus RTU setting = 2 and the Master Packet Repeat setting = 3,
the radio will wait for “(2+3+1) x 2” slots, or 12 slots.
the radio will wait for “(2+3+1) x 2” slots, or 12 slots.
FreeWave Technologies, Inc.
1180 S Flatiron Ct Ste F
Boulder, CO 80501
(303) 381-9200