Part number HA028582. Issue 6.0 May-07 19
2.13
Digital Communications
Optional
Digital communications uses the Modbus protocol.
The interface may be ordered as EIA232 or EIA485
(2-wire).
☺
Digital communications is not available if Remote
Setpoint is fitted
•
Isolated 240Vac CATII.
2.13.1
EIA232 Connections
2.13.2
EIA 485 Connections
220
Ω
termination
resistor
* EIA232/EIA485 2-wire
communications converter
eg Type KD485
Daisy Chain to
further
controllers
Com
220
Ω
termination
resistor on
last
controller in the line
Twisted pairs
Tx Rx Com
HD Common
HE Rx A(+)
HF Tx B(-)
Rx Tx Com
Screen
RxB/
TxB
RxA/
TxA
*
Com
Tx
Rx
HD Common
HE Rx A(+)
HF Tx B(-)
Local Ground
Screen
Summary of Contents for 3200
Page 1: ...3200PID Temperature controllers User Guide Manuel Utilisateur Bedienungsanleitung ENG FRA GER ...
Page 57: ...3200Régulateurs de température PID Manuel Utilisateur FRA ...
Page 58: ......
Page 116: ...58 3200 Guide utilisateur HA028582FRA Indice 6 0 mai 07 ...
Page 117: ...3200PID Temperaturregler Bedienungsanleitung GER ...
Page 118: ......
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