GMC-I Messtechnik GmbH
R2500–48
Replacement with regard to features B and C:
•
Features B1 and B2 are identical for both devices.
•
Features C1 and C2 for the R2400 are feature C1 for the R2500.
•
Feature C3 cannot be replaced with the R2400.
•
Feature C4 for the R2400 is feature C2 for the R2500.
The following functions cannot be replaced:
•
Position acknowledgement display for step-action controller (R2400,
feature A4). Step-action controller function is available.
•
24 V AC auxiliary power (R2400, feature C3)
The following rewiring is required:
•
The connector terminals on the R2400 can still be used, because
the pin assignments are identical except for a few exceptions. The
two plug
connectors can be pulled out after loosening the lacquered screws.
•
In the case of 230 V AC auxiliary power (R2400, feature C1), the
conductor connected to terminal 13 is moved to terminal 12.
•
If the actuating signal for cooling is read out via the relay, the corre-
sponding connection must be changed (see table on page 47).
•
If both actuating signals are read out via relay, the relay connections
must be changed (see table on page 47).
Converting Parameters
In the case of the R2500, the proportional bands are specified in the unit
of measure of the controlled variable, instead of as a percentage of the
measuring range span as is the case with the R2400. Conversion is
accomplished as follows:
Pb (R2500) = Pb (R2400) x mrs (R2400) / 100%.
Attention!
!
To ensure radio interference suppression, the protective conduc-
tor and/or control cabinet grounding
must
be connected to ter-
minal 13.
Summary of Contents for R2500
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