The driver is used for the SAS 341-1 with RS232 interface (700-341-1AH02) or for the SAS 341-1 with RS485 interface (700-341-1CH02). With the RS232 interface, a point-to-point operation is possible, and with the RS485 interface, up to 32 participants can be addressed using the 2-wire half-duplex method. In the communication with other systems, the Modbus RTU function codes 01,02, 03, 04, 05, 06, 07, 08, 11, 12, 15, and 16 are supported. The data exchange with the S7-CPU is in blocks in the supplied function blocks. Do you require a special protocol for your device? Just ask us! on Micro Memory Card; can only be used in SAS 341-1 modules Technical specifications General information Helmholz GmbH & Co. KG | Hannberger Weg 2 | 91091 Groftenseebach | Germany Anderungen und Irrtumer vorbehalten. 03-2019 Phone +49 9135 7380-0 | Fax +49 9135 7380-110 | [email protected] | www.helmholz.de