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Manual RS8EN502 © Danfoss 02-2010
AK-CC 550
Data
Supply voltage
230 V a.c. +10/-15 %. 5 VA, 50/60 Hz
Sensor S2, (S1)
Pt 1000
Sensor S3, S4,
S5, S6
Pt 1000 or
PTC 1000 ohm / 25°C
(All 4 must be of the same type)
Accuracy
Measuring range
-60 to +120°C
Controller
±1 K below -35°C
±0.5 K between -35 to +25°C
±1 K above +25°C
Pt 1000 sensor
±0.3 K at 0°C
±0.005 K per grad
Measuring of Pe
Pressure
transmitter
AKS 32R
Display
LED, 3-digits
External display
EKA 163B or 164B. (any EKA 163A or 164A)
Digital inputs
DI1, DI2
Signal from contact functions
Requirements to contacts: Gold plating
Cable length must be max. 15 m
Use auxiliary relays when the cable is longer
Digital input DI3 230 V a.c.
Electrical con-
nection cable
Max.1.5 mm
2
multi-core cable
Solid state
output
DO1
(for AKV coil)
Max. 240 V a.c. , Min. 28 V a.c.
Max. 0.5 A
Leak < 1 mA
Max. 1 pcs. AKV
Relays*
CE
(250 V a.c.)
DO3, DO4
4 (3) A
DO2, DO5, DO6
4 (3) A
Environments
0 to +55°C, During operations
-40 to +70°C, During transport
20 - 80% Rh, not condensed
No shock influence / vibrations
Density
IP 20
Mounting
DIN-rail or wall
Weight
0.4 Kg
Data
communication
Fixed
MODBUS
Extension options
LON RS485
TCP/IP
MODBUS
The controller cannot be hooked up with a monitor
-
ing unit type m2.
Power reserve
for the clock
4 hours
Approvals
EU Low Voltage Directive and EMC demands re CE-
marking complied with
LVD tested acc. EN 60730-1 and EN 60730-2-9, A1, A2
EMC tested acc. EN50082-1 and EN 60730-2-9, A2
* DO3 and DO4 are 16 A relays. DO2, DO5 and DO6 are 8 A relays. Max. load must be observed.
AKV info !!
230 V a.c. coil