Metrohm 781 pH/Ion Meter: Operation via RS-232 Bedienungsanleitung PDF herunterladen (Seite 2)

Contents

780/781 pH/Ion Meter - Operation via RS232

Contents

1 General rules ........................................................ 1

1.1 Call up of objects .......................................................................................... 2

1.2 Triggers.......................................................................................................... 3

1.3 Status messages........................................................................................... 4

1.3.1 Detailed status conditions of the global $R.............................................4

1.3.2 Detailed status conditions of the global $G ............................................5

1.3.3 Detailed status conditions of the global $S.............................................5

1.4 Error messages ............................................................................................. 6

2 Remote control commands.................................. 9

3 RS232 interface properties................................ 21

3.1 Data transfer protocol................................................................................. 21

3.2 Handshake................................................................................................... 22

3.3 Pin assignment............................................................................................ 25

4 Troubleshooting ................................................. 27

1 2 3 4 5 6 7 ... 28 29

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Metrohm 781 pH/Ion Meter: Operation via RS-232 Bedienungsanleitung Seite 2