The VersaPro software allows configuration of RTU and Serial I/O at 115.2K baud.
However, these baud rates are not supported by the CPU. If a configuration using these
baud rates is stored to the PLC:
1.
For RTU, an
Unsupported Feature in Configuration
fault is logged and the PLC
transitions to Stop Faulted mode.
2.
For Serial I/O, the same fault is logged when the transition to Run mode occurs. The
PLC will immediately transition to Stop Faulted mode.
5.3.5
RTU and Serial I/O Delays
•
The
receive to transmit
,
turnaround
, and
RTS drop delay
parameters can be
configured to customize communications timing for radio modems.
•
receive to transmit delay
: The minimum length of time between the CPU
receiving the last character of an incoming message and the CPU asserting RTS.
Asserting RTS is followed by the transmission of the response message. This delay is
configured as a
minimum
time because the actual delay is dependent upon the CPU
sweep time.
•
turnaround delay
: The length of time between the CPU asserting RTS and the
CPU beginning to transmit a message.
•
RTS drop delay
: The length of time between the CPU transmitting the last
character of a response message and the CPU dropping RTS. The RTS drop delay can
vary by ± 1 ms.
•
TD
1
is the Receive to Transmit delay
•
TD
2
is the Turnaround Delay
•
TD
3
is the RTS Drop Delay
Configuration
GFK-1503E User Manual 77
For public disclosure
Содержание VersaMax PLC
Страница 1: ...GE Intelligent Platforms GFK 1503E VersaMax PLC User Manual September 2015 For public disclosure ...
Страница 16: ...Notes 16 GFK 1503E VersaMax PLC User Manual For public disclosure ...
Страница 38: ...Notes 38 GFK 1503E VersaMax PLC User Manual For public disclosure ...
Страница 50: ...Notes 50 GFK 1503E VersaMax PLC User Manual For public disclosure ...
Страница 92: ...Notes 92 GFK 1503E VersaMax PLC User Manual For public disclosure ...
Страница 112: ...Notes 112 GFK 1503E VersaMax PLC User Manual For public disclosure ...
Страница 224: ...Notes 224 GFK 1503E VersaMax PLC User Manual For public disclosure ...
Страница 292: ...Notes 292 GFK 1503E VersaMax PLC User Manual For public disclosure ...
Страница 316: ...Notes 316 GFK 1503E VersaMax PLC User Manual For public disclosure ...
Страница 317: ......
Страница 318: ...GE Intelligent Platforms 1 800 433 2682 1 434 978 5100 www ge ip com GFK 1503E For public disclosure ...