Landis+Gyr CU-B1, Руководство пользователя

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Device description 7/30
D000011142 en k – E65C CU-B1, B2, B4 – User Manual © 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