CONTENTS Page Page
GOSSEN METRAWATT GMBH 3
1 General ...................................................................................... 4
1.1 Interface hardware ............................................................. 4
1.2 Communications protocol ................................................... 4
1.3 How to connect the interface .............................................. 5
1.4 Principal function ............................................................... 6
1.5 Time action ....................................................................... 7
2 Telegram structure ..................................................................... 8
2.1 Short set ........................................................................... 8
2.2 Control set ........................................................................ 9
2.3 Long set .......................................................................... 10
2.4 Function and value range of the format characters ............. 11
2.5 Criteria for the validity of a request telegram ...................... 14
3 Telegram contents R2600/01 .................................................... 15
3.1 Equipment reset .............................................................. 15
3.2 Interrogation: Equipment OK? ........................................... 15
3.3 Request for cycle data ...................................................... 16
3.4 Request for event data ..................................................... 17
3.5 Request data from R2600/01 ........................................... 20
3.6 Send data to R2600/01 ................................................... 22
4 Parameter indices of the equipment parameters ........................ 24
4.1 Temperature parameters ................................................. 24
4.2 Control parameters ......................................................... 28
4.3 Control instructions ......................................................... 29
4.4 Equipment specifications ................................................. 32
4.5 Heating current monitor ................................................... 37
5 Storage operations ................................................................... 38
5.1 Request a record ............................................................ 38
5.2 Send a record ................................................................. 39