Compatible Commands - orbit controls OCM642 Betriebsanleitung

Orbit Controls AG
6.11.

Compatible Commands

Resistance Decade also responds to "Old style" command syntax to provide
compatibility with previous decade box models.
Value setting / reading
A (?) <DNPD>
The command sets resistance value (resistance function) or temperature value (temperature
sensor simulating function).
<DNPD>
It represents resistance value in Ohm or simulated temperature in selected temperature unit.
When temperature parameter is used, both negative and positive values are acceptable. For
resistance parameter positive value only is acceptable. Limit values are shown in chapter
"Technical data".
In case of control, the decade confirms correct setting with string „Ok<cr><lf>".
In case of query, OCM642 returns set resistance/temperature value in the same format as it
is on the display (number of decimal places). For example value -120 C is returned as -
120.000<cr><lf>. Positive numbers are sent without polarity sign.
Example :
Command „A123.564 <cr>" sets temperature 123.564 C if the decade is in temperature
simulation function and 123.564  if the decade is in resistance function.
If query „A?<cr>" is sent, the decade returns response in format „123.564<cr><lf>".
Resistance Decade function setting
F <CPD> { 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | S | O }
Following function can be set:

0 resistance mode

1 Pt385 (68) temperature sensor simulation

2 Pt385 (90) temperature sensor simulation

3 Pt3916 temperature sensor simulation

4 Ni temperature sensor simulation

5 User platinum temperature sensor simulation

6 Pt3926 temperature sensor simulation

7 User function simulation

S Short

O Open
OCM642 confirms execution with string „Ok<cr><lf>".
Example :
„F1<cr>" sets Pt100 sensor simulation.
Betriebsanleitung
OCM642 Programmierbare Widerstandsdekade
60