Siemens SIWAREX WT241 - Interfaces and Physical

Technical specifications
12.1 Technical specifications
SIWAREX WT241
174 Manual, 05/2015, A5E36046748A
RS485 interface
Table 12- 7 Technical specifications: RS485 interface
Standard
EIA-485
Baud rate
up to 115 kbps*
Data bits
7 or 8
Parity
even | odd | none
Stop bits
1 or 2
Terminating resistors (can be activated)
390 Ω / 220 Ω / 390 Ω
Electrical isolation
500 V AC
Transfer protocol
ASCII for remote display from Siebert and Mod-
bus RTU)
Cable length
≤ 115 kbps max. 1 000 m
(fieldbus cable 2-wire, shielded, e.g. 6XV1830-
0EH10)
Ethernet
Table 12- 8 Technical specifications: Ethernet
Standard
IEEE 802.3
Transmission rate
10/100 Mbps (determined automatically)
Electrical isolation
1 500 V AC
Transfer protocol
TCP/IP, Modbus TCP
(see /1/)
Autonegotiation
yes
Auto MDI-X
yes
Cable lengths
 Cat-5e UTP cable
(unshielded)
max. 50 m
 Cat-5e SF/UTP
cable (shielded)
max. 100 m
Dimensions and weights
Table 12- 9 Technical specifications:
Dimensions W x H x D
264 x 185 x 97 mm
Weight
4 kg