Landis+Gyr CU-B2 - External Influences; Weight and Dimensions; Connections

Device description 7/30
D000011142 en k – E65C CU-B1, B2, B4 – User Manual © Landis+Gyr
RS232 interface
 Type: asymmetric, serial, asynchronous, bi-directional
interface
 Application: Versions CU-B1, CU-B4
 Standard: DIN 66259
 Mode of operation: transparent / with additional functions
 Operating conditions:
– Rated voltage .................................................................... ±12 V DC
– Max. voltage ...................................................................... ±25 V DC
– Max. bit rate .................................................................... 57'600 bps
– Max conductor length
............. depending on environment and connecting cable up to 15 m
– Insulation resistance to meter ....................... 4 kVAC / 50 Hz, 1 min
............................................................ (creep distance min. 6.2 mm)
1.2.2 External influences
Same as meters (see meter operating instructions).
1.2.3 Weight and dimensions
 Weight ................................................................................ approx. 80 g
 Width .......................................................................................... 65 mm
 Height ...................................................................................... 103 mm
 Depth ......................................................................................... 38 mm
1.2.4 Connections
Pulse inputs (S0 interface)
Type: screwless spring-loaded terminals
Communication interfaces (RS232 and RS485)
Type: RJ12 plug
S01 S02 RS232 RS485
Pulse inputs
(if present)
Communication
interfaces
CU-B1/B4
1
6
Pin allocation RS232:
1 CTS
2 TxD
3 GND
4 DTR
5 RxD
6 DSR
Fig. 2 External connections communication unit CU-B1/B4