Danfoss EKE 1A User Manual page 10

Superheat controller and stepper valve driver, Type EKE 1A, 1B, 1C, 1D
Figure 5: EKE 1C - Front board connection overview
Pressure Transmitter
Ratiometric 0.5 – 4.5 V
AKS cable
connection
1
060G1034
3
2
e.g. AKS 32R
CANBus Local network
MMIGRS display
080G0294 (optional)
Table 8: EKE 1C pinout
COM
AI1
AI2
AI3
AI4
AI5
COM
5V+
15V+
DI1
DI2
24V+
AO1
 NOTE:
• EKE 2U Backup power module is recommended to ensure closure of the electronic valves. in case of power failures
• If Dl1(On/O ) switch is not used it must be short circuited
• EKE 1A/1B/1D only support Ratiometric 0.5 to 4.5V pressure transmitter
© Danfoss | Climate Solutions | 2024.08
Master controller
C C C
Superheat controller
Superheat controller
EKE 1C - 080G5400
CAN RJ
CAN RJ
RS485 RTU MODBus
CAN RJ
KoolProg
MMIMYK
Gateway PC tool
Common
Analog inputs temperature NTC 10K / PT1000
Analog inputs temperature NTC 10K / PT1000
Analog inputs voltage / current
Analog inputs voltage / current
Analog inputs NTC temperature
Common
Power outputs for Ratiometeric pressure transmitter 0 – 5V
Power output for current signal pressure transmitter
Digital input 1
Digital input 2
Not used in EKE 1C
Not used in EKE 1C
*
Note: If Dl1(On/Off ) switch
is not used it must be short
circuited
supervisor
EKE /
network
master
controller
S3/S4 selectable via software
S2
Pe
Ext. Ref. or Pc
S3/S4 selectable via software
Main switch (hardware)
Software con gurable DI
BC398828796060en-000103 | 10