Danfoss EKE User manual

080R0407 080R0407
© Danfoss | Climate solutions | 2023.07
Superheat controller EKE 100 is for use where superheat must be accurately controlled or as driver for
stepper motor valves typically in air conditioning, heat pumps, commercial refrigeration, food retailing
and industrial application.
Compatible valves: ETS 6, ETS 8M(Bipolar)/ETS C/KVS C/ ETS L/ETS 500-800P/ CCMT L/CCMT/CCM/CTR
Basic application
Introduction
EKE 100 1V SH control
EKE 100 2V SH control
Danfoss
R64-3033.10
Danfoss
R
64-3033.1
0
S2 Pe
ETS Colibri®
RS485
Communication
Valve A
EKE 2U
AA
S2 Pe
ETS Colibri®
RS485
Communication
Valve A
Valve B
EKE 2U
AA
S2 Pe
ETS Colibri®
AA
089
Info for UK customers only: Danfoss Ltd., 22 Wycombe End, HP9 1NB, GB :  “ ”04080,  80, / 168, 
Installation guide
EKE
Type EKE 100
AN433741508202en-000203 | 1

© Danfoss | Climate solutions | 2023.07
Dimension
BAT -BAT + B2 B1 A2 A1 B2 B1 A2 A1 B- A+ GND
Valve AValve BMODBUS
-/AC+/ACPE
+SV +SV DO PeAPeB
S2AS2B D11D12
Power
EXT-GND GND GND GND GND GND GND GND
70 mm
110 mm
BA
BA
BA
BA
BA
B
BA
BA
BA
BA
B
BA
BA
BA
BA
BA
A
BA
BA
BA
A
BA
BA
BA
BA
BA
BA
B
BA
BA
BA
BA
A
BA
BA
A
BA
BA
A
BA
B
BA
B
BA
A
BA
BA
A
BA
A
A
BA
BA
BA
B
BA
A
B
BA
BA
B
BA
BA
A
A
BA
BA
T
T
T
T
T
T
T
T
T
TT
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
-
-
-
-
BABA
BA
BA
BA
BA
B
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
A
BA
BA
BA
BA
B
BA
A
BA
BA
BA
BA
BA
A
BA
BA
BA
BA
BA
BA
BA
BA
BA
A
A
BA
B
BA
BA
BA
BA
BA
A
A
BA
A
BA
BA
B
B
B
A
A
B
B
B
BA
B
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
+
+
+
+
+
+
+
+
+
+
+
+
+
B2
B2
B
B
B
B
B
B2
B2
B2
B
B
B
B
B
B2
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B1
B1B1
B1
B
B
B
B1
B1
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
1
1
B1
B
B
B
B1
B
B
B1
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
A2
A2
A2
A2
A2
A2
A2
2
A2
A2
A2
A2
A2
A2
A2
A2
A2
A2
A2
A2
A2
2
2
A2
A2
A2
A2
2
A2
2
2
2
A2
A2
A2
A2
A2
2
A2
A2
A2
2
A2
2
A
A
2
2
A2
2
2
2
A2
A2
A
2
A
A
A2
2
A1A1A1
A
1
1
1
1
1
1
1
1
1
1
1
1
1
A1
A1
1
1
1
1
1
1
1
1
A1
1
1
1
1
1
1
1
1
1
1
1
1
B2
B2
B
B2
B2
B2
B2
B2
B2
B2
B2
B2
B
B2
B2
B2
B2
B2
B2
B
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
2
B2
2
B2
B2
B2
B2
B2
B2
B2
2
B
B2
B
B2
B2
B2
2
B2
B2
B
B
2
B2
B2
B2
2
B2
B
B
B
B
B1
B1
B1
1
1
1
B1
1
1
1
1
B1
B1
1
B
1
1
1
1
1
1
1
1
1
B1
1
1
B
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
A2
A2
A2
2
2
2
2
2
A2
2
2
2
A2
A2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
A1
A1A1
1
A1
A1
B
B
B
B
B
B
B-
B-
B-
B
B
B
B-
B-
B-
B
B
B
B
B
B
B
B
B
B-
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
A+A+
A+
A+
A+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
A+
+
+
+
+
+
+
+
+
+
+
A
+
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+
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GNGNGN
G
GN
GN
GN
D
D
D
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D
D
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D
D
D
D
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D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
Va
Va
Va
Va
Va
V
Va
V
Va
V
V
Va
Va
Va
V
v
lv
lv
v
lv
lv
v
lv
lv
lv
v
lv
e
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A
A
A
A
A
A
A
A
A
A
A
VaVa
Va
Va
Va
Va
Va
Va
V
Va
a
Va
Va
Va
Va
Va
Va
Va
Va
Va
lv
lv
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lv
v
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lv
v
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v
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B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
MOMOMO
MO
MO
MO
M
M
MO
MO
MO
MO
M
DB
D
DB
DB
D
DB
DB
D
DB
DB
DB
DB
US
USUS
US
S
US
US
US
U
US
US
-/A
-/A
-/A
-/A
A
-/A
A
/A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
CC
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
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A
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A
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A
A
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C
C
C
C
C
C
CC
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
P
P
P
P
P
PE
PE
PE
PE
P
P
P
P
P
P
PE
P
P
P
P
P
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P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
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+SV+SV
+SV
+SV
+
S
+S
+S
+S
+
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+
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+
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+S
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+
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DODODO
DO
DO
DO
DO
DO
DO
DO
D
DO
O
DO
D
DO
D
D
D
DO
DO
O
O
O
O
O
DO
DO
O
O
O
DO
O
O
PeA
PeA
PeA
PeA
PeA
P
PeA
P
P
PeA
PeA
P
PeA
P
P
PeA
P
PeA
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P
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P
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2A
2A
2
2
2
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2
2
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A
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2A
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2
2
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2A
2
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2
A
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2
2
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S2B
S2B
S2BS2B
S2B
B
S2
S
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S
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D11
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D11
1
11
11
11
11
11
1
1
1
1
1
11
11
11
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1
1
1
11
11
11
1
1
1
1
D12
D12
D12
D12
D12
D12
D
D1
D
D
D
D
D
D
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D1
D1
D
1
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D1
D1
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D1
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1
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1
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1
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Pow
Pow
Pow
Pow
Pow
Pow
Po
Po
Po
Po
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P
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EXT
EXT
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EXT
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EXT
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X
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E
EXT
X
EX
T
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X
X
E
X
X
E
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X
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-GN-GN
-GN
-GN
-GN
-GN
GN
-GN
-GN
-GN
-GN
-GN
GN
GN
GN
-GN
-GN
-GN
GN
-GN
-GN
-GN
-G
-GN
G
G
GN
-G
G
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G
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-GN
-GN
GN
GN
-GN
-GN
GN
-GN
GN
-GN
G
G
-GN
GN
G
-GN
N
-GN
G
G
-G
G
G
G
G
G
G
DD
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
GND
GND
GND
GND
GND
GND
ND
GN
GN
GND
GND
GND
GND
GND
GND
GN
GND
GND
GND
GN
GND
ND
GND
ND
GND
GND
D
GND
GND
GND
GND
GND
GND
GND
N
N
N
ND
ND
GND
GND
GND
GND
GND
ND
GND
ND
GND
ND
GND
GND
D
GND
GND
GND
ND
GN
D
N
D
D
G
N
G
GNDGND
GND
GND
GND
GND
GN
GND
GND
GND
GND
GND
GND
GND
GND
G
GND
GND
GND
GND
GN
GN
ND
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G
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GND
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N
D
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N
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G
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GND
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G
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D
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N
N
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GN
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D
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N
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D
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N
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D
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N
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G
N
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D
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D
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ND
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GND
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N
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ND
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D
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ND
ND
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ND
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ND
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D
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ND
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N
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N
N
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G
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GND
GN
D
D
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G
GND
D
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D
N
D
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D
GND
ND
GND
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
GND
GND
GND
GND
GND
GND
G
GND
GND
GND
GND
GND
GND
G
GND
GND
ND
D
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
ND
ND
GND
G
GND
GND
GND
GND
G
G
GND
GND
G
GND
G
ND
GND
D
D
G
GND
ND
GND
D
G
D
D
D
G
N
G
N
GNDGNDGND
ND
GND
GND
G
G
GN
GN
GND
GND
N
GND
GND
GND
GN
GND
GN
GN
GN
ND
GND
GN
GND
N
GND
G
GND
GND
GND
G
N
GN
GN
N
ND
GN
GND
GN
N
N
GN
GND
N
N
GN
G
N
N
ND
ND
N
ND
ND
D
N
ND
N
ND
N
N
D
70 mm
110 mm
BAT -BAT +
-/AC+/ACPE
+SV +SV DO PeAPeB
S2AS2B D11D12
B2 B1 A2 A1 B2 B1 A2 A1 B- A+ GND
Valve A
Power
EXT-GND GND GND GND GND GND GND GND
Valve BMODBUS
70 mm
110 mm
BA
BA
BA
BA
BA
BA
BA
BA
B
BA
BA
BA
BA
BA
BA
BA
A
BA
BA
BA
BA
BA
BA
A
BA
BA
A
BA
B
BA
BA
BA
BA
BA
BA
BA
A
A
BA
B
B
BA
BA
BA
A
BA
BA
BA
A
A
A
B
A
A
BA
T
T
TT
T
T
T
T
TTT
T
T
-
-
-
-
-
-
-
BA
BA
BA
B
BA
BA
BA
BA
BA
B
BA
B
BA
BA
BA
BA
BA
BA
A
BA
BA
A
BA
A
BA
A
BA
BA
BA
B
BA
BA
BA
BA
BA
A
BA
A
A
B
B
BA
B
B
B
BA
B
A
A
B
B
BA
B
A
BA
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
TT
T
T
T
T
T
T
T
T
T
T
T
+
+
+++
+
+
+
+
+
+
+
+
+
-/A-/A
-/A
-/A
-/A
-/A
-/A
-/A
-/A
/A
-/
A
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
+/A
+/A
+/A
+/A
+/A
+/A
+/A+/A
A
A
A
A
A
A
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A
A
A
A
A
A
A
A
A
A
A
A
+/A
A
A
+/
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
P
P
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G
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GND
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GN
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GND
GND
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GND
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GN
GN
ND
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N
ND
N
N
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G
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D
ND
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ND
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N
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N
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D
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N
N
ND
ND
ND
ND
ND
ND
ND
D
ND
ND
N
ND
ND
ND
ND
ND
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ND
ND
ND
N
N
N
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D
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N
G
N
N
N
N
N
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GND
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GND
GND
GND
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GND
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G
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GND
GND
GND
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GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
G
ND
GND
D
G
G
ND
N
G
N
ND
D
N
D
D
G
VaVaVa
Va
Va
Va
Va
Va
Va
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V
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a
Va
Va
Va
Va
V
Va
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Va
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a
Va
Va
Va
Va
Va
Va
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V
Va
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lv
lvlv
lv
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lv
lv
lv
lv
v
l
lv
lv
l
lv
lv
lv
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lv
lv
lv
lv
lv
lv
v
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lv
v
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BB
BB
BB
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
MO
MO
MO
MO
MO
MO
MO
MO
MO
MO
MO
O
MO
MO
MO
MO
O
MO
O
MO
O
MO
MO
M
M
MO
MO
M
M
MO
M
MO
M
M
MO
MO
DB
DB
DB
DB
DB
DB
DB
DB
DB
D
DB
B
DB
D
DB
DB
DB
DB
DB
DB
DB
B
DB
DB
DB
DB
DB
DB
B
DB
DB
DB
DB
DB
B
USUSUSUS
US
US
US
US
US
S
S
US
US
US
US
US
U
US
U
US
US
US
US
US
US
US
S
S
US
US
US
US
US
Height : 49 mm Height : 49.5 mm
Height : 44 mm
AN433741508202en-000203 | 2

© Danfoss | Climate solutions | 2023.07
Technical specication
EKE100 1V EKE100 2V
Code number
IP00: 080G5050
IP20: 080G5051
IP20 + display: 080G5052
IP00: 080G5055
IP20: 080G5056
IP20 + display: 080G5057
Supply Voltage 24 V AC/DC* 50/60 Hz, SELV ** 24 V AC/DC* 50/60 Hz, SELV **
Battery backup Input (Danfoss
recommends EKE 2U) 24V DC 24V DC
Number of valve outputs 1 stepper motor valve 2 stepper motor valves
Valve type Bipolar stepper valve Bipolar stepper valve
Modbus RS485 RTU Yes (Isolated) Yes (Isolated)
Baud rate (default setting) 19200 19200
Mode (default setting) 8E1 8E1
No of temperature sensors 1 (S2A) 2 (S2A,S2B)
Type of temperature sensors PT 1000/NTC 10K PT 1000/NTC 10K
No of Pressure sensors 1 (PeA) 2 (PeA,PeB)
Type of pressure sensors Ratiometric 0.5 - 4.5 V DC
Current 4-20mA
Ratiometric 0.5 - 4.5 V DC
Current 4-20mA
No of digital input 1 (DI1) 2 (DI1,DI2)
Use of digital input (software
selectable)
Start/Stop regulation
Heat/Cool mode
Battery backup signal (SOH)
Start/Stop regulation
Heat/Cool mode
Battery backup signal (SOH)
Digital output
1 output: D0 (open collector),
max sink current
10 mA
1 output: D0 (open collector),
max sink current 10 mA
PC suite KoolProg KoolProg
Service Tools EKA 200 + EKE 100 service cable EKA 200 + EKE 100 service
cable
Mounting (DIN rail) 35 mm DIN rail 35 mm DIN rail
Storage temperature -30 – 80 °C / -22 – 176 °F -30 – 80 °C / -22 – 176 °F
Operating temperature -20 – 70 °C / -4 – 158 °F -20 – 70 °C / -4 – 158 °F
Humidity <90% RH, non-condensing <90% RH, non-condensing
Enclosure Available in IP00, IP20 and IP20
with integrated display.
Available in IP00, IP20 and IP20
with integrated display.
Note:
* The unit is suitable for use on a circuit capable of delivering not more than 50A RMS symmetrical
Amperes
** For US and Canada, use class 2 power supply
AN433741508202en-000203 | 3

© Danfoss | Climate solutions | 2023.07
Connection Overview
EKE 100 1V EKE 100 2V
Note:
* DI is software congurable, If not using with external signal, then short circuit it or congure it as
not used in software.
Port Description
- / ~ and + / ~ Power supply
Functional Earth
+ 5V Voltage for pressure probe
+ 5V Voltage for pressure probe
Ext-GND Ground for driver signal input
GND Ground/Comm for I/O signals
DO Digital Output
PeA Pressure signal for A circuit/ Driver analog signal for A circuit
S2A Temperature signal for A circuit
DI1* Digital Input for A circuit
PeB Pressure signal for B circuit/ Driver analog signal for B circuit
S2B Temperature signal for B circuit
DI2 Digital Input for B circuit
BAT – and BAT + Battery backup inputs
Valve A Valve port for circuit A
Valve B Valve port for circuit B
MODBUS (B-, A+, GND) Modbus port
AN433741508202en-000203 | 4

© Danfoss | Climate solutions | 2023.07
Mounting/Demounting
Mounting :
The unit can be mounted onto a 35 mm DIN rail simply by snapping it into place and securing it with
a stopper to prevent sliding. It is demounted by gently pulling the stirrup located in the base of the
housing.
12
3
“Click”
Driver input Terminal to use - signal Input A Terminal to use - signal Input B
Voltage A / Voltage B Ext. GND + PeA Ext. GND + PeB
Current A / Current B GND + PeA GND + PeB
Voltage A / Current B GND + PeA GND + PeB
Current A / Volatge B GND + PeA GND + PeB
See below table with recommended connection terminals for driver function
AN433741508202en-000203 | 5