KMF (E5.2) 06/2014
page 70/99
14.4 Analog outputs for temperature and humidity (option)
With this option the chamber is equipped with analog outputs 4-20 mA for temperature and humidity.
These outputs allow transmitting data to external data registration systems or devices.
The connection is realized as a DIN socket (5) in the right lateral control panel as follows:
ANALOG OUTPUT 4-20 mA DC
PIN 1: Temperature –
PIN 2: Tempe
PIN 3: Humidity –
PIN 4: Hu
Humidity range: 0 % r.H. to 100 % r.H.
Temperature range: -10 °C /
14 °F
to +100 °C /
212 °F
A suitable DIN plug is enclosed.
Figure 20: Pin allocation of DIN socket (5) for option analog outputs
14.5 Keyboard locking (option)
The keyboard of the MB1 controller can be locked and unlocked via the key switch (option). In the locked
position, no entries to the controller are possible.
•
Locked keyboard: Switch position vertical
•
Unlocked keyboard: Switch position to the right
Only when the keyboard is locked, the key can be removed.
W
X
CONFIG
HAND
VIEW->
EXIT
W
08:43:55 20.09.02
TEMP
°C
40.0
36.8
HUMID
%rH
65.0
58.6
Key switch
Figure 21: Keyboard locking
If the keyboard is locked, the notification “KEY LOCK” is displayed on the MB1 controller display (chap.
