User manual

Tsm 125 29

8. SERIAL INTERFACE

The device is equipped with a TTL UART port. It is mounted on the motherboard

and the processor can be used for the readout of measured data. When the

device is in display mode the data is sent once per second to the serial port. The

data packet consists of seven ASCII bytes. The ﬁ rst 5 bytes are an info box. The

last two bytes are <CR> <LF>. The info ﬁ eld contains either temperature data or

error message.

Examples:

1. ASCII:

„121.1<CR><LF>“; Hex: „0x31 0x32 0x31 0x2E 0x31 0x0D 0x0A”

2. ASCII:

„1.5<CR><LF>“; Hex: „0x20 0x20 0x31 0x2E 0x35 0x0D 0x0A”

3. ASCII:

„-–1.2<CR><LF>“; Hex: „0x2D 0x31 0x31 0x2E 0x32 0x0D 0x0A”

4. ASCII:

„Err.1<CR><LF>“; Hex: „0x45 0x72 0x72 0x2E 0x31 0x0D 0x0A”

5. ASCII:

„Err.3<CR><LF>“; Hex: „0x45 0x72 0x72 0x2E 0x33 0x0D 0x0A”

Hint for of TS125 to RS 232 „self-made“ adapter