Modification Of The Measurement Input; Maintenance - Chauvin Arnoux Statop 4849 Manual De Instrucciones

5.2

Modification of the measurement input

The operations described below can only be performed by
qualified personnel and if they are incorrectly carried out the
guarantee is invalidated.
Dismantle and open the controller to work on the input card.
According to the type of input, configure the soldering points
G1, G2 and G5 as shown and solder the resistances R11 and
R12 if necessary.
NOTE : When changing from one type of input to another,
reset the " Llit " and " HLit " limits. See § 3.7.
TYPE OF INPUT
Thermocouple
Pt 100 Ω Ω Ω Ω Ω
Current
Voltage -10...+60 mV
Voltage greater than
-10...+60 mV
X : Any
0 : This place must be left free (no resistance)
5.3

Maintenance

For maintenance, use only specified spare parts. The manufacturer will not be held responsible
for any accident occuring following a repair done other than by its After Sales Service or approved
repairers.
Metrological verification
It is essential that all measuring instruments are regularly calibrated.
For checking and calibration of your instrument, please contact our accredited laboratories (list on request)
or the Chauvin Arnoux subsidiary or Agent in your country.
Repairs under or out of guarantee
Please return the product to your distributor.
G1 G2
Soldered Open
Soldered Open
Soldered Soldered
Soldered Soldered
Open Soldered
G5 R11 (1%, ¼ W)
Soldered 0
Open 0
X 0
X 0
X Calculate the values of divider R1/R2.
4
5
42
R12 (1%, ¼ W)
0
0
2,8 Ω
0
R 1 1
-10...60
R 1 2