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GOSSEN METRAWATT GMBH 4
1 General
1.1 Interface hardware
To communicate with a host computer, an SPS, etc., the controllers R2600 / 01 must be equipped with marking F1. In this case, the controllers are
equipped with a serial interface having the following data:
• Level types RS-232 and RS-485 (two-wire)
in the unit selectable
• Baud rate 9600 bd
• Character format 8 data bits, 1 parity bit, 1 stop bit
• Parity Even
• Maximum number of equipment on the bus: 32
• With RS-485 bus operation, each connected R2600/01 must
have a different interface address (Addr = 0 ... 250)
(see operating instructions 3-348-778-15).
1.2 Communications protocol
The transmission protocol used complies with DIN draft 19244. The R2600 / 01 uses only a partial amount of the defined functions which are
described below.
R
S
-
2
3
2
R
S
-
4
8
5