Specifications

DIGITAL AND ANALOG CHANNELS:
MR425.0M24C-N-485I-232-E-D22A22
Analog I/O
Line type:
optically separated:
RS422/485
unused position
RS232
RS232
232
Ethernet present E
unused position N
N
485I
232I
232 232
N
485I
232I
N
MORSE components production code
radiomodems profi narrowband
RADIO CHANNEL AND CASE VERSION:
SETTING OF MODULE POSITION:
- 2
- S
Short, for DIN rail only, obsolete
4×M4 screws or 2× DIN rail clips
- P
RF power 25W
- 1
12.5 kHz
- M
MORSE
PROFI
(from bottom edge of case)
- N
SCC not used
Channel bandwidth 25.0 kHz
- S
- C
SCC with screw terminals
SCC with Cannon DSUB9
Analog input and output 0 - 20 mA - A
number of Digital inputs
number of Digital outputs
neither Dig nor An I/O are used - N
Digital I/O used - D
An input 0 - 1240 mV, An output 0 - 20 mA - V
Analog I/O not used - empty
SCC1SCC0
+
Digital I/O
SCC3
ETH0
SCC2
number of Analog outputs
number of Analog inputs
MR300
MR400
MR160
For equipment series:
Full-duplex radio
Half-duplex radio
- D
- R
Base Tx frequency, MHz
Comment - radiomodem is the DCE equipment - both data output RS232 pin and LED are labeled RxD.
SCC3 - RS232,
SCC2 - RS232,
MR: 428.2 = base freq. 428.2 MHz, both Tx and Rx
= MORSE half-duplex radio modem, base frequency 428,000 MHz, bandwidth 25 kHz, freq.step 12,5 kHz,
casing with flanges for screws and/or DIN rail clips, SCC with Cannon connectors,
SCC2 - RS232,
SCC3 - RS232,
Ethernet,
Digital input 2×, Digital output 2×, An input 20mA 2×, An output 20mA 2×
= MORSE half-duplex radio modem, base frequency 425,0 MHz, bandwidth 12,5 kHz, freq.step 12,5 kHz,
, SCC connectors with screw terminals,casing with flanges for screws and/or DIN rail clips
SCC1 - RS485, optically separated,
MR428.0M24C-N-N-232-E-D22A22
MR425.0M14S-N-485I-232-E-N
Ethernet
Base frequency labelling options:
Examples:
159.6 / 155.0 = base freq. Tx = 159.6 MHz, Rx = 155.0 MHz
MD: 155.0 / 159.6 = base freq. Tx = 155.0 MHz, Rx = 159.6 MHz
CASING
N
07 2014
6.25 kHz – 2
10.0 kHz – 3
12.5 kHz – 4
Frequency step
before 12/2008 after 12/2008
Typical example of bandwidth/freq. step:
MR425.0M1C-... MR425.0M14C-...
MR425.0M2C-... MR425.0M24C-...
The standard freq. step is 12.5 kHz,
exceptionally 6.25 kHz or 10 kHz.
orange yellow
orange green
red green
LED colours tell
the interface type
LED – RxD TxD
MD160
Narrowband modems – PROFI MR400, MR300, MR160 – © RACOM s.r.o.20
Dimensional Diagram and Labeling Modems