6 connecting a balance – Metrohm 756 KF Coulometer User Manual

Page 130

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6.6 Connecting a balance

756/831 KF Coulometer, Instructions for Use

122

6.6 Connecting a balance

The following balances can be connected to the RS232 output of the Coulometer:

Balance Cable

Sartorius MP8, MC1

6.2134.060

Mettler AB, AG (LC-RS25)

in the scope of delivery of the balance

Mettler AM, PM

6.2146.020 + 6.2125.010

additionally from Mettler:

ME 47473 Adapter and ME 42500 hand switch or ME

46278 foot switch

Mettler interface 016

Cable in scope of delivery of interface 016: red lead

to pin 3, white lead to pin 7 of the 25-pin connector

+ 6.2125.010 25-pole/9-pole adapter

Mettler interface 011 or 012

6.2125.020 + 6.2125.010

Mettler AT

6.2146.020 + 6.2125.010

Mettler PG

6.2134.110

AND Models ER-60, 120, 180, 182

Models FR-200, 300

Models FX-200, 300, 320

with RS232 interface (OP-03)

6.2125.020 + 6.2125.010

Precisa, balances with RS232C-

interface

6.2125.080 + 6.2125.010

The balance type must be preselected at the Coulometer with the <CONFIG> key.

The weight is transferred as a number with up to 6 digits, sign and decimal point. Units

and control characters sent by the balance are not transmitted.

With the aid of a special input unit supplied by the balance manufacturer identifications

and methods can be inputted from the balance in addition to the weight. For this, the ad-

dress of the identifications and method must each be preselected on the input unit.

Balance

Method

Id1 Id2 Id3

Sartorius

METH or 27

ID.1 or 26

ID.2 or 24

C-20 or 23

Mettler (AT)

D (Mthd)

C (ID

#

1) B

(ID

#

2)

A (c20)

If balance and printer are connected at the same Coulometer COM you need the

6.2125.010 and 6.2125.030 Adapters.

If the balance works only with 7 bit and the printer with 8 bit and if they are at the same

Coulometer COM, the balance has to be set to "space parity" and Coulometer/printer to 8

bit, "no parity".

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