turck TBEN-S2-2COM-4DXP, Инструкция по эксплуатации

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29
2018/03
Sub module "RS485 simple"
The sub module "RS485 simple" can be plugged into slots 1 (COM 0) and slot 10 (COM 1). It switches
the COM port to the RS485 mode, provides parameters for the configuration and process data for
control and status data. More detailed information about the transmit and receive sequence can be
found under
Transmit and Receive Data, page 141 .
 Parameters ( s. p. 117 )
The following functions are preset in this sub module an can not be changed:
 Process input data ( s. p. 130 )
Parameters Value
Swap A/B line no Standard configuration, A = pin 2, B = pin 4
Termination active yes RS485 termination
Biasing active yes Biasing activated
EOF detection Character
timeout The character timeout defines the duration of time within which
another character must be received after receiving a character.
Exceeding this time is interpreted as the end of the data packet.
Character timeout 100 Character timeout in ms.
Response timeout 0 no timeout
Process value Offset Data type
COM – Status bits of the COM port %IB0 USINT
Transmitter ready %IX0.0 BOOL
Receive complete %IX0.1 BOOL
Frame error %IX0.2 BOOL
Parity/format error %IX0.3 BOOL
Buffer overflow %IX0.4 BOOL
Timeout %IX0.5 BOOL
Invalid TX length %IX0.6 BOOL
Invalid RX length %IX0.7 BOOL
Reserved %IB1 USINT
Received frame length %IB2 USINT