Helmholz REX 200 - Additional Interfaces REX 250; Rex 200;250 Lte

QuickStart Guide REX 200/250 | Version 5 | 26.05.2021 31
17.2 Additional interfaces REX 250
Serial interface
1 x
Type
RS-232/422/485 (switchable via software)
Protocol
transparent access via virtual COM port
Connection
plug SUB-D, 9-pin
Transmission speed
300 Baud ... 115 kBaud
MPI/PROFIBUS interface
1 x
Type
RS-232/485 (switchable via software)
Connection
socket, SUB-D, 9-pin
Transmission speed
Up to 12Mbps
17.3 REX 200/250 LTE
Order no.
700-877-LTE01
700-878-LTE01
Article designation
REX 200 LTE
REX 250 LTE
Current draw
max. 140 mA with DC 24 V
max. 160 mA with DC 24 V
Power dissipation
max. 3,5 W
max. 4 W
LTE-Modem - EU
4G - (Europe/Asia)
GSM modem type
Multiband GSM/GPRS/WCDMA/LTE Data Interface
Antenna terminal
2 x SMA-Buchse (external thread)
SIM-Card type
Mini SIM (2FF) 1,8 V/3 V
GSM-frequency bands
B3 (1800), B8 (900)
UMTS-frequency bands
B2 (2100), B8 (900)
LTE-frequency bands (MHz)
B1 (2100), B3 (1800), B7 (2600), B8 (900), B20 (800) [ab HW 5-3A]
Transmit power
Class 1 (1W) DCS 1800, Class 4 (2W) GSM 900,
Class 3 (0,25W, 23dBm) 3G, Class 3 (0,2W, 23 dBm) LTE
Data transmission rate
HSxPA+ (Uplink max. 5,76 Mbit/s | Downlink max 42,0 Mbit/s)
LTE (Uplink max. 50 Mbit/s | Downlink max. 150 Mbit/s)
Pin
RS 232
RS 485
MPI/PROFIBUS
1
DCD Data Carrier Detect
Not used
Not used
2
RxD Receive Data
RxD– Receive Data
Not used
3
TxD Transmit
TxD+ Transmit Data
Data line B
4
DTR Data Terminal Ready
+ 5 Volt
(only with 4-wire operation)
CNTR-P
5
Signal Ground
Signal Ground
GND 5 V (200 mA)
6
DSR Data Set Ready
Not used
5 V Output
7
RTS Request To Send
TxD– Transmit Data
Not used
8
CTS Clear To Send
RxD+ Receive Data
Data line A
9
RI Not used
Not used
Not used