Relay PW250 - Interface Data; Ordering Information

PW250 · User Manual Version 1.1 – 11 / 2019
16
PW250
4.2 Interface data
RS232C
Driver load
Current max. 5mA, resistive: min. 3kΩ, capacity: max. 2,5 nF
Voltage transmit (at 3kΩ)
Mark: +5V ≤ U
T
≤ +15V
Space: -15V ≤ U
T
≤ -5V
Voltage receive
Mark: +2,5V ≤ U
R
≤ +15V
Space: -15V ≤ U
R
≤ -2,5V
RS485
Driver load
Current max. 250 mA, resistance min. 54Ω
Signal voltage TX
Space (0): +1.5V  U
t
 +5.0V
Mark (1): -5.0V  U
t
 -1.5V
Addressing
Not possible (transparent)
Repeater
Current M-Bus IN
Basic current < 1,5 mA (1 Unit Load), TX current typ. 15mA
Capacity
Max. 250 pF
Galvanic isolation
> 2,5 kV to all interfaces, M-Bus and power supply
USB
Type
USB 2.0 device, socket type B
USB IC
FTDI Chip: FT232R, Vendor ID = 0403, Product ID = 6001
Power supply
Bus powered, Low Power (max. 90mA)
Ethernet
Network interface
10/100BaseT (RJ45), auto-MDIX, with 2 LEDs
Protocols / adressing
TCP and UDP / static IP or dynamic IP (DHCP)
4.3 Ordering information
Article number
Description
PW250
M-Bus Level Converter and Repeater for 250 slaves
KA003
Power cable 2m, with German plug according to CEE 7/4, grey
KA USB AB
USB cable A to B plug/plug, length = 1m, grey
KA PATCH.5E RJ45 1M
Network patch cable CAT5E FTP, Length = 1m, grey
GHZ TSH35-2
Rail mounting set TH35 incl. screws
GHZ Lock
Cylinder lock for front lid of PW250 housing incl. 2 keys