Danfoss AK-PC 781A

10 Capacity controller RS8HE202 © Danfoss 2017-07 AK-PC 781A
Common data for modules
Supply voltage 24 V d.c./a.c. +/- 20%
Power consumption AK-__ (controller) 8 VA
AK-XM 101, 102, 103, 107, AK-CM 102 2 VA
AK-XM 204, 205, 208 5 VA
Analog inputs Pt 1000 ohm /0°C Resolution: 0.1°C
Accuracy: +/- 0.5°C
+/- 0.5°C between -50°C and +50°C
+/- 1°C between -100°C and -50°C
+/- 1°C between +50°C and +130°C
Pressure transmitter type AKS 32R / AKS
2050
MBS 2050 / AKS 32 (1-5 V)
Resolution:1 mV
Accuracy +/- 10 mV
Max. connection of 5 pressure transmitters on one module
Other pressure transmitter:
Ratiometric signal
Min. and Max. pressure must be set
Voltage signal 0-10 V
Contact function (On/Off ) On at R < 20 ohm
Off at R > 2K ohm
(Gold -plated contacts not necessary)
On/off supply voltage inputs Low voltage
0 / 80 V a.c./d.c.
Off: U < 2 V
On: U > 10 V
High voltage
0 / 260 V a.c.
Off: U < 24 V
On: U > 80 V
Relay outputs
SPDT
AC-1 (ohmic) 4 A
AC-15 (inductive) 3 A
U Min. 24 V
Max. 230 V
Low and high voltage must not be connected to the same
output group
Solid state outputs Can be used for loads that are cut in and
out frequently, e.g. :
Oil valves, fans and AKV valves
Max. 240 V a.c. , Min. 48 V a.c.
Max. 0,5 A,
Leak < 1 mA
Max. 1 AKV
Stepper outputs Used for valves with stepper input 20-500 step/s
Separate supply to stepper outputs : 24 a.c./d.c. / 13 VA
Ambient temperature During transport -40 to 70°C
During operation -20 to 55°C ,
0 to 95% RH (non condensing)
No shock influences / vibrations
Enclosure Material PC / ABS
Class IP10 , VBG 4
Mounting For mounting on panel wall or DIN rail
Weight with screw terminals Modules in 100- / 200- / controller-series Ca. 200 g / 500 g / 600 g
Approvals EU low voltage directive and EMC require-
ments are complied with
LVD tested according to EN 60730
EMC tested
Immunity according to EN 61000-6-2
Emission according to EN 61000-6-3
UL 873,
UL file number: E166834 for XM and CM-modules
UL file number: E31024 for PC-modules
The mentioned data applies to all modules.
If data is specific, this is mentioned together with the module in question.