Signaltransmitter; Eke 347; Expansions Valve; Modbus Communication - Danfoss EKE 347 User Manual

User Guide | Liquid level controller, EKE 347

Signaltransmitter

EKE 347

Expansions valve

MODBUS communication

Remote Display - option
© Danfoss | DCS (ADAP-KOOL®) | 2016-04
With the guided micro wave rod AKS
4100/4100U it is possible to set the refrigerant
level within a wide range.
The controller receive a signal which enable it to
contol low or high side applications
(see page 3).
EKE 347 does support 2 types of Danfoss
expansion valves. (see below)
One analog input is available as feed back from
ICM in order to indicate opening degree of the
ICM.
Two types of Danfoss expansion valves can be
used
ICM
ICM are direct operated motorized valves
driven by digital stepper motor type ICAD
AKV/A
AKVA or AKV are pulse-width modulating
expansion valves.
EKE 347 include as standard RS 485 based MOD-
BUS-RTU bus communication interface to third
party equipment like PLC.
Via the MODBUS it is possible to read and write
parameters to the EKE 347
Operation, monitoring and data collection can
then be performed via PLC from a SCADA system.
A remote display for panel mounting is available.
From the remote display a full overview and
access is possible to all individual EKE 347
controllers connected to the internal Danfoss
CAN bus.
EKE 347
AKS 4100/
AKS 4100U
EKE 347
PLC
Slave
Master
MODBUS-RTU network
EKE 347
PLC
Slave
Slave
EKE 347
Remote
display
Danfoss CAN bus
EKE 347 EKE 347
DKRCI.PD.RP0.A4.02 | 2