05/2020 –
400821580
2
– QS OPTITEMP TT 12 R R01 en
2
2 Electrical connection
3 Quick Setup
Contact
To view all KROHNE locations and contact details visit:
www.krohne.com
Then “Select your country“ from the drop down list at the
top left of the page
Before making a configuration of the TT 12 R you need to do the following:
1. Make sure that you have a mobile device with NFC
®
communication activated.
2. Download the app OPTICHECK Temperature Mobile to your mobile device.
Required versions:
iOS
iOS 13 or later /
Iphone
®
7 or later for NFC
®
Android
™
Android
™
4.4 or later
Configuration procedure:
1.
Launch the app by clicking on the App icon (for Iphone
®
) or holding your mobile device
against the transmitter on the part of the device where NFC
®
is located (for Android
™
)
2.
Click on “Read Configuration” and hold your mobile device against the transmitter as
explained in the first section.
3.
In the app you can edit the following:
a.
Sensor type and number of wires
b.
Measuring range
c.
Upscale or downscale sensor error indication
d.
Filter level
e.
TAG
f.
Password
4.
Once you have set the desired values in the app, you transfer it to the transmitter by clicking
the transfer button and holding the mobile device against the transmitter until a green check
box appears confirming that the transfer has been completed.
DANGER!
All work on the electrical connections may only be carried out with the power disconnected.
Observe the national regulations for electrical installations.
R
Load
(
Ω
)
Supply voltage U (VDC)
Maximum load depending on power supply.
Formula for the max. permissible output
load for TT 12 R:
R
Load
= (U-6)/0.022
Output load diagram
*
Connect terminals 1 and 2.
Make the connection as short as possible.
Electrical connection of TT 12 R transmitter
Connection diagram of TT 12 R transmitter
Pt100 / Pt1000
2-wire connection
Pt100 / Pt1000
3-wire connection
Pt100 / Pt1000
4-wire connection
RTD
RTD
RTD
Output
Out
Load
Input
