Device functions
Version 1
RES-5006
Page 27
must be entered in the input data “Setpoint/AC temperature” during activation of the AUTOCAL function (AC-
Bit = 1). This specified value must remain entered until the end of the AUTOCAL function.
If too high of a temperature (greater than 40 °C) or a fluctuating specification value is specified, a corresponding
error message is output (error no.115 and 116;
section 8.19 "Error messages" on page 50).
The AUTOCAL request (AC-Bit = 1) is carried out by the controller if the AUTOCAL function is not blocked.
The automatic calibration procedure takes about 10…15 seconds. Additional heating of the heating element does
not take place here. During execution of the AUTOCAL function, the related yellow LED lights up on the front panel
and the controller reports “AUTOCAL active” (AA-Bit = 1) to the output data. The actual value output (terminal
17+18) goes to 0…3 °C (i.e. approx. 0 VDC).
If the heating element temperature fluctuates, the AUTOCAL function is performed a maximum of 3x. After that, if
the function cannot be successfully ended, an error message is output (
section 8.19 "Error messages" on
Perform the AUTOCAL function only when the tool with the heating element has cooled off (basic
temperature).
Blocking of the AUTOCAL function:
1. An “AUTOCAL” request is not accepted until 10 seconds after the controller is switched on. During this time,
the controller reports “AUTOCAL blocked” (AG bit = 1) in the output data.
2. The “AUTOCAL” function is not executed when the cooling speed of the heating element is more than 0.1 K/s.
With an activated AC bit, the function is carried out when the cooling speed has fallen below the specified
value.
3. The AUTOCAL function is not executed (LED “HEAT” lights up) in case of an activated START bit (ST bit = 1).
4. The AUTOCAL function is not executed in case of an activated RESET bit (RS bit = 1).
5. Directly after the controller is switched on, the AUTOCAL function cannot be performed if the error numbers
101…103, 201…203, 9xx appear (
section 8.19 "Error messages" on page 50). If the controller worked cor-
rectly – at least once – after being switched on, the AUTOCAL function is not possible if the error numbers
201…203, 9xx appeared.
If the AUTOCAL function is blocked (AG bit = 1) and there is simultaneously a corresponding request (AC bit = 1),
the AUTOCAL LED flashes quickly (4 Hz).
8.5.3
Start (ST)
With activation of the START bit (ST bit = 1), the device-internal target-actual comparison is enabled and the
heating element is heated up to the SETPOINT temperature. This continues either until the ST bit is reset or the
heating time limit set in the parameter data has been exceeded (
section 8.7.5 "Heating time limit" on page 34).
The “HEAT” LED on the front panel of the RES-5006 lights up permanently during this heating time.
A start request is not processed as long as the AUTOCAL function is active, the controller is in the alarm status,
the setpoint is not more than 20°C above the calibration temperature, or the RS bit is active. In this case, the
“HEAT” LED flashes.
The heating process is ended through resetting of the ST bit, just as with PROFIBUS errors.
The ST bit is only accepted when the AUTOCAL function is not active and no alarm is present.
During a warning message with error no. 104…106, 111…114, 211, 302 or 303, the alarm output is switched on
when the ST bit is activated (
section 8.19 "Error messages" on page 50). A heating procedure also does not
take place here.
8.5.4
Reset (RS)
This bit is used to reset the controller when in the alarm status.
As long as the RS bit is set, no AUTOCAL and no START request are accepted. In the error diagnosis, only errors
no. 5 and 7 (201…203, 901, 913) are evaluated and output. In this status, no control of the power element takes
place and no measurement impulses are generated. As a result, there is also no more updating of the actual value.
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