Metrohm 781 pH/Ion Meter: Operation via RS-232 User Manual

CH-9101 Herisau/Switzerland E-Mail [email protected] Internet www.metrohm.com 780 pH Meter 781 pH/Ion Meter Program version 5.780.0020 und 5.

1.4 Error messages 8 780/781 pH/Ion Meter - Operation via RS232

2 Remote control commands 780/781 pH/Ion Meter - Operation via RS232 9 2 Remote control commands The internal object tree can be divided into t

1.4 Error messages 10 780/781 pH/Ion Meter - Operation via RS232 &Mode Object Description Input range &Mode Mode $G, $S, $H, $C :

2 Remote control commands 780/781 pH/Ion Meter - Operation via RS232 11 │ │ │ │ Bec4, Bec7, Bec10, Rad1.09, Rad1.68, │ │ │ │

1.4 Error messages 12 780/781 pH/Ion Meter - Operation via RS232 │ │ │ ├ .ElParam Electrode parameters │ │ │ │ ├ .StreamPot Streaming potenti

2 Remote control commands 780/781 pH/Ion Meter - Operation via RS232 13 │ │ ├ .LeftMargin Left margin of temperature scale [°C] -999.9...0.0

1.4 Error messages 14 780/781 pH/Ion Meter - Operation via RS232 │ │ ├ .CMax Maximal concentration of standard 1.0E-30...1.0...1.0E+30 │

2 Remote control commands 780/781 pH/Ion Meter - Operation via RS232 15 &UserMeth Object Description Input range &UserMeth Method m

1.4 Error messages 16 780/781 pH/Ion Meter - Operation via RS232 ├ .Aux Miscellaneous │ ├ .RunNo Current run number 0...999, OFF │ ├

2 Remote control commands 780/781 pH/Ion Meter - Operation via RS232 17 │ ├ .TempType Temperature sensor type read only │ ├ .DateTime Dat

Contents 780/781 pH/Ion Meter - Operation via RS232 Contents 1 General rules ... 1 1.1 C

1.4 Error messages 18 780/781 pH/Ion Meter - Operation via RS232 │ ├ .StdConc Concentration of standard read only │ ├ .Analyte Potential

2 Remote control commands 780/781 pH/Ion Meter - Operation via RS232 19 &Setup Object Description Input range &Setup Settings for

1.4 Error messages 20 780/781 pH/Ion Meter - Operation via RS232 &Diagnose Object Description Input range &Diagnose Diagnose ├ .Ini

3 RS232 interface properties 780/781 pH/Ion Meter - Operation via RS232 21 3 RS232 interface properties 3.1 Data transfer protocol The pH/Ion

3.2 Handshake 22 780/781 pH/Ion Meter - Operation via RS232 3.2 Handshake Software-Handshake, SWchar Handshake inputs on the pH/Ion Meter (CTS)

3 RS232 interface properties 780/781 pH/Ion Meter - Operation via RS232 23 Software-Handshake, SWline Handshake input ports on the pH/Ion Meter

3.2 Handshake 24 780/781 pH/Ion Meter - Operation via RS232 Hardware-Handshake, HWs pH/Ion Meter as Receiver : pH/Ion Meter as Send

3 RS232 interface properties 780/781 pH/Ion Meter - Operation via RS232 25 3.3 Pin assignment RS232C Interface Transmitted Data (TxD). If n

3.3 Pin assignment 26 780/781 pH/Ion Meter - Operation via RS232 Contact arrangement at plug (female) for RS232C socket (male) Fig. 1: View of s

4 Troubleshooting 780/781 pH/Ion Meter - Operation via RS232 27 4 Troubleshooting Problem Questions for remedical action No characters can be re

1 General rules 780/781 pH/Ion Meter - Operation via RS232 1 1 General rules The 780 pH Meter and 781 pH/Ion Meter have an extensive remote cont

1.1 Call up of objects 2 780/781 pH/Ion Meter - Operation via RS232 1.1 Call up of objects All objects of the 780/781 pH/Ion Meter are grouped h

1 General rules 780/781 pH/Ion Meter - Operation via RS232 3 1.2 Triggers Triggers initiate an action on the pH/Ion Meter. They are marked by th

1.3 Status messages 4 780/781 pH/Ion Meter - Operation via RS232 1.3 Status messages In order to have an efficient control by an external control

1 General rules 780/781 pH/Ion Meter - Operation via RS232 5 1.3.2 Detailed status conditions of the global $G $G.Mode.pH .Stirrer : Waiting f

1.4 Error messages 6 780/781 pH/Ion Meter - Operation via RS232 1.4 Error messages Error messages are added to the status messages and separated

1 General rules 780/781 pH/Ion Meter - Operation via RS232 7 E142 Electrode test failed. $S or change mode. E143 V add too small. $S or chan