Portfolio Overview - Danfoss EKE 1A User Manual

Superheat controller, Type EKE 1A, 1B, 1C, 1D

2 Portfolio overview

Table 1: Portfolio overview
Features
Power supply
Power Supply Type 24 V AC / DC ± 20%
Battery Backup input 18-24 V DC
Class of insulation
Data communication
MODBus RS 485 RTU
Wired CANbus
CANbus RJ 12 Danfoss MMI service port
Inputs:
Number of temperature
sensors
Temperature sensor types PT1000
NTC 10K, type EKS
NTC 10K, type ACCPBT
NTC 10K, type Sensata
Number of Pressure sen-
sor
Pressure Transmitter Ratiometric 0.5 - 4.5 V
types
Voltage signal 0 – 10 V
Current signal 0 – 20 mA
Share Pressure Signal Hardware (Up to 5 devi-
ces)
Via wired CANbus (not
possible to share ratio-
metric sensor)
Via MODbus
Number of external refer-
ences
External reference 0-20mA
User defined current
0-10V
0- 5V
User defined voltage( max
10V)
Digital input Dry contact
Outputs
Digital output
Relay Normally Open
Normally closed
Relay Function
User interfaces Koolprog Software tool
MMIGRS2 screen
Master controller
(1) (1) The 2nd pressure sensor is connect to AI4 The 2nd pressure sensor is connect to AI4
* The 2nd pressure sensor is mounted on AI4
© Danfoss | Climate Solutions | 2022.06
EKE 1A EKE 1B
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1 2
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1 1
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1 1
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3
3A General purpose, 250V ac, 100k
2A General purpose, 250V ac, 100k
Alarm relay or LLSV (Liquid Line Solenoid Valve)
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EKE 1C
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Class II
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• (4 wires)
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3
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2
(1)
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1
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2
1
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BC398828796060en-000101 | 5
EKE 1D
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• (3 wires)
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2
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1
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1
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