IN-E-HyFlex-V4_10
Rotronic AG
Bassersdorf, Switzerland
Document code
Unit
Instruction Manual
Document Type
HygroFlex transmitter version 4: instruction
manual
Document title
Page
23
of 61
© 2006; Rotronic AG IN-E-HyFlex-V2_10.doc
6
Electrical installation
Before making the electrical connections, be sure to correctly identify each connector and terminal.
Applying power to any of the input or output terminals can severely damage the transmitter.
1- Main Probe Input (J2)
1 : Temperature ()
2 : Humidity ()
3 : GND
4 : Digital Input Output
5: +5 or +15 VDC ± 0.5 VDC
2 - Test (J4)
(for HygroPalm Calibrator)
1 : GND
2 : Digital Input Output
3 - Optional 2
nd
Probe Input (J3)
(except HygroFlex 1)
1 : Analog Input Signal (+)
2: GND
3 : Digital Input Output
4 : +5 or 15 VDC ± 0.5 VDC
4 - RS232/RS485 (J5)
(except HygroFlex 1)
1 : RI – (485)
2 : RI + (485)
3 : GND
4 : RX
5 : TX
5 - Analog Outputs (K2/ TB2)
(except HygroFlex 2)
1 : Out 1 (+)
2 : Out 2 (+)
3 : Out 3 (+) – HygroFlex 3 only
4 : GND (common)
6 - Power (K1/TB1)
(check label inside enclosure)
1 : AC N or DC –
2 : AC Ph or DC +
3 : GND (see note below)
MTA :
service / configuration connector
connect to PC with cable AC1623
6.1 Main PCB connectors
All terminal blocks on the main PCB are of the plug-in type so
that the connector plate can be pulled out if required.
