Specifications

192 RK0YG302 © Danfoss 05/2007
AKA 231
Modem
Application
The AKA 231 is a modem for use together with ADAP-KOOL®
Refrigeration system control. It can transmit data between the
refrigeration system’s ADAP-KOOL® system unit and an external
operating interface that is also an ADAP-KOOL® product.
Transmission is via the telephone network.
Advantages
The modem is a PSI-DATA/BASIC-Modem/RS232 V.24 and is
designed for use in an industrial environment with harsh EMC
conditions.
Technical data
Power supply For power supply 100 - 240 V AC 50/60 Hz
(Supplies modem with
24 V d.c.)
At 115 V: 750 mA
At 230 V: 450 mA
Connection To system unit 9-pol D-SUB
To telephone
network
RJ12 6 pos.
Data format Serial asynchronous UART/NRZ, 7/8 data, ½
stop, 1 parity, 10/11 bits character length
Serial transmission
speed
Automatic adjustment to: 300, 1200, 2400,
4800, 9600, 19200, 38400, 57600 and 115200
bps
CE compliance In accordance with EMC directive 89/336/EEC
Approvals TBR21
TIA-968-A
CS-03 for Europe, USA and Canada
Ambient temperature 0 - 55°C
Assembly DIN rail
Measurements
(H x W x D)
99 mm x 22,5 mm x 114,5 mm
Weight Modem 165 g
Power supply 290 g
Internal earth Linked to DIN bar via the housing
Ordering
Type Description Code No.
AKA 231
Modem (PSI-data/basic modem/RS232)
+ Power supply
+ Cable to AKA 243 and AKA 245
+ Cable to AK - unit
+ Cable to telephone network
084B2242
Connections
AKA 245 /
AKA 243
AK-SM /
AK-SC
Accessories
AKA 231