GHM GREISINGER GFTH 200 Kal, Operating Manual

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GMH 3331 Bases for measurement | 6
B-H77.0.01.DB2-1.0 19 / 32
6.4.1 Interface
The product can be connected directly to a USB interface of a PC with a galvanically
isolated interface converter. Transmission takes place in a binary coded format and is
protected against transmission errors with elaborate safety mechanisms (CRC).
Software:
– Standard software packages are available for purchase online at www.grei-
singer.de .
– A Windows function library with program examples for development of custom
software is available for purchase, as well as the freely available interface descrip-
tion.
NOTE
The following measurement, alarm and range values output via the interface are al-
ways output based on the adjusted base address.
Supported interface functions:
Channel as-
signment Code Name/function
1 2 3 4 5 6
X X X X X X 0 Read current value
X X X 3 Read system status
X 12 Read ID number
1 1 1 1 1 1 22 Read Min. alarm limit
1 1 1 1 1 1 23 Read Max. alarm limit
2 32 Read configuration flag
2 160 Set configuration flag
X X X X X X 199 Read measurement type display
X X X X X X 200 Read minimum display range
X X X X X X 201 Read maximum display range
X X X X X X 202 Read display range unit
X X X X X X 204 Read display range decimal point
X 208 Read number of channels
X X 216 Read offset
X 218 Read correction factor
X 240 Sensor module reset
X 254 Read program identification
1 = Only possible when alarm is activated for the relevant channel.
2 = Available configuration flags 50: 0 = Logger off; 1 = Logger on.
= Available configuration flags 51: 0 = Manual logger; 1 = Cyclical logger.
6.4.2 Channel assignment
The assignment of channels depends on which temperature probe or sensor is con-
nected to the product.
TFS 0100E