WAGO-I/O-SYSTEM 750 750-652 Serial Interface RS-232 / RS-485 Configurable Manual
The I/O module 750-652 (Serial Interface RS-232 / RS-485) allows the optional connection of devices with a RS-485, RS-422 or RS-232 interface.It also provides gateways between the serial interface and the fieldbus systems supported by the WAGO-I/O-SYSTEM 750. No higher protocol level is required by the module. Communication to the associated fieldbus master is completely transparent. This provides for a broader application scope for the serial interface module. If required, communication protocols can be configured via fieldbus master. The 2560 byte input buffer provides for high data baud rates. At lower baud rates, the data received in lower priority tasks is evaluated without data loss. The 512-byte output buffer provides fast transmission of larger data strings.The operating mode of the I/O module can be configured using the WAGO-I/O-CHECK startup tool. Learn what version on WAGO-I/O-CHECK you need in the table “WAGO-I/O-CHECK Minimum Requirements” in the “Commissioning” section.
In RS-232 mode, the interface works in accordance with the TIA/EIA-232-F and CCITT V.28/DIN 66259-1 standards. In RS-485/RS-422 mode, the interface works in accordance with the TIA/EIA-485-A, DIN 66259 standards. The connected device can communicate directly with the control unit via the fieldbus coupler/controller used. The active communication channel works independent of the fieldbus system used in full or half-duplex operation at up to 115200 baud.
In the data flow control through RTS/CTS in RS-232 mode, a lead time or follow-on time can be configured for the I/O module for the RTS signal. This function is available with firmware version 03 or higher. Direct data exchange between different fieldbus nodes of the 750 series is possible in conjunction with a second I/O module 750-652. This function is available with firmware version 03 or higher.
The I/O module 750-652 can be configured as a DMX device with a baud rate of 250 kBits/s. This function is available with firmware version 03 or higher. The I/O module 750-652 can be configured as a DMX device at a baud rate of 250 kBits/s. This function is available with firmware version 03 or higher. The I/O module can be operated as a DMX sender with firmware version 03 or higher and as a DMX receiver with firmware version 06 or higher.
The wiring to the communication partner takes place in RS-232 mode via the TxD, RxD connections, if necessary RTS/CTS and ground and in the RS-485/ RS-422 mode via the connections A, B, X, Y, and ground.
The shield connection is fed directly to the carrier rail and contact is made automatically by snapping the module onto the rail.
The assignment of the connections is described in the “Connectors” section.
Connection examples are shown in section “Connect Devices” > ... > “Connection Example(s)”.
Multi-color LEDs indicate the operating status and the trouble-free internal bus communication as well as the status of the signal transmission.
The meaning of the LEDs is described in the “Display Elements” section.
The I/O module 750-652 (Serial Interface RS-232 / RS-485) receives the 24 V voltage supply for the field level from an upstream I/O module or from the fieldbus coupler/controller via blade-formed power jumper contacts. It then provides these potentials to subsequent I/O modules via spring-formed power jumper contacts.
The field voltage and the system voltage are electrically isolated from each other.
With consideration of the power jumper contacts, the individual modules can be arranged in any combination when configuring the fieldbus node. An arrangement in groups within the group of potentials is not necessary.
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750-652 、 750-652/025-000 、 750-370 、 750-375 、 750-377 、 750-333 、 750-833 、 750-341 、 750-342 、 750-352 、 750-841 、 750-842 、 750-843 、 750-852 、 750-871 、 750-872 、 750-873 、 750-880 、 750-881 、 750-882 、 750-885 、 750-810x 、 750-820X 、 750-884 、 750-346 、 750-347 、 750-348 、 750-837 、 750-838 、 758-870/000-xxx 、 758-874/000-xxx 、 758-875/000-xxx 、 758-876/000-xxx 、 750-306 、 750-806 、 750-337 、 750-338 、 750-315/300-000 、 750-316/300-000 、 750-815/300-000 、 750-816/300-000 、 750-354 、 750-351 、 750-829 、 750-830 、 750-831 、 750-849 、 750-889 |
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2020/04/25 |
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Version 2.0.0 |
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5.9 MB |
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