Danfoss EKE 1A User Manual page 9

Superheat controller, Type EKE 1A, 1B, 1C, 1D
Figure 4: EKE 1B connection overview
RS485 MODBus
Supervisor EKE
network
AKS Cable
connection
1 060G1034
3
2
Pressure transmitter
e.g. AKS 32R
Power supply
24 V AC
24 V DC
± 20%
± 20%
–
+
2.5 A
T fuse
(optional)
Table 7: EKE 1B pinout
COM
AI
AI2
AI3
AI4
COM
DI1
DI2/3
5V+
COM
 NOTE:
• If Dl1(On/Off) switch is not used it must be short circuited
• EKE 2U Backup power module is recommended to use to ensure closure of the electronic valves. in case of power
failures
© Danfoss | Climate Solutions | 2022.06
Master controller
CAN RJ
CAN RJ CAN RJ
CAN RJ CAN RJ
* Note: If Dl1(On/Off ) switch is not
used it must be short circuited
Superheat controller
EKE 1D - 080G5360
+
18 V
Relay
Batt
Normally open or
backup
normally closed
(optional)
(optional)
ETS 5M
Alarm
ON/OFF
solenoid
ETS 6 valve valve
ETS / KVS
Colibri ®
CCMT / CTR valve
Common
Analog inputs NTC 10K
Analog input NTC 10K
Analog inputs 0 – 5 V / Ratiometric pressure transmitter
analog inputs 0 – 10 V
Common
Digital input 1
Digital input 2 and 3
Power output for Ratiometric pressure transmitter 0 – 5V
Common
MMIGRS2 Display
080G0294 (optional)
MMIMYK
Gateway
KoolProg
PC tool
C1 NC1
Power
C1 NO1
Power
S3/S4 selectable via software
S2
Pe
External Reference signal
Main switch (hardware)
Software configurable DI
BC398828796060en-000101 | 9