$ 72.68
The CB 1241 communication board RS 485 is used for fast, high-performance serial data exchange via point-to-point connections. The CB 1241 communication board RS 485 can be plugged directly into all SIMATIC S7-1200 CPUs.
Article number | 6ES7241-1CH30-1XB0 |
Communication Board CB 1241, RS485 | |
General information | |
Product type designation | CB 1241 RS 485 |
Input current | |
from backplane bus 5 V DC, typ. | 50 mA |
Power loss | |
Power loss, typ. | 1.5 W |
Interfaces | |
Point-to-point connection | |
● Cable length, max. | 1 000 m |
Integrated protocol driver | |
— Freeport | Yes |
— ASCII | Yes; Available as library function |
— Modbus RTU master | Yes |
— MODBUS RTU slave | Yes |
— USS | Yes; Available as library function |
Protocols | |
Integrated protocols | |
Freeport | |
— Telegram length, max. | 1 kbyte |
— Bits per character | 7 or 8 |
— Number of stop bits | 1 (Standard), 2 |
— Parity | No parity (standard); even, uneven, mark (parity bit always 1); space (parity bit always 0) |
3964 (R) | |
— Telegram length, max. | 1 kbyte |
— Bits per character | 7 or 8 |
— Number of stop bits | 1 (Standard), 2 |
— Parity | No parity (standard); even, uneven, mark (parity bit always 1); space (parity bit always 0) |
Modbus RTU master | |
— Address area | 1 through 49 999 (Standard Modbus addressing) |
— Number of slaves, max. | 247; slave numbers 1 through 247, per MODBUS network segment maximum 32 devices, additional repeaters needed to expand the network to maximum configuration |
MODBUS RTU slave | |
— Address area | 1 through 49 999 (Standard Modbus addressing) |
Interrupts/diagnostics/status information | |
Diagnostics function | Yes |
Degree and class of protection | |
IP degree of protection | IP20 |
Standards, approvals, certificates | |
CE mark | Yes |
CSA approval | Yes |
UL approval | Yes |
cULus | Yes |
FM approval | Yes |
RCM (formerly C-TICK) | Yes |
KC approval | Yes |
Marine approval | Yes |
Ambient conditions | |
Free fall | |
● Fall height, max. | 0.3 m; five times, in product package |
Ambient temperature during operation | |
● min. | -20 °C |
● max. | 60 °C |
● horizontal installation, min. | -20 °C |
● horizontal installation, max. | 60 °C |
● vertical installation, min. | -20 °C |
● vertical installation, max. | 50 °C |
● permissible temperature change | 5°C to 55°C, 3°C / minute |
Ambient temperature during storage/transportation | |
● min. | -40 °C |
● max. | 70 °C |
Air pressure acc. to IEC 60068-2-13 | |
● Operation, min. | 795 hPa |
● Operation, max. | 1 080 hPa |
● Storage/transport, min. | 660 hPa |
● Storage/transport, max. | 1 080 hPa |
Relative humidity | |
● Operation at 25 ℃ without condensation, max. | 95 % |
Mechanics/material | |
Enclosure material (front) | |
● Plastic | Yes |
Dimensions | |
Width | 38 mm |
Height | 62 mm |
Depth | 21 mm |
Weights | |
Weight, approx. | 40 g |
Weight | 0.031 kg |
---|---|
Dimensions | 5.0 × 8.0 × 2.7 cm |
INOSAKI Limited
RM B 5/F Gaylord Comm,
Bldg 114-118 Lockhart Rd.
Hong Kong
INOSAKI Sdn. Bhd.
2-1-9, Ground Floor, One Square, Tingkat Mahsuri 1,
11900 Bayan Lepas, Penan
INOSAKI Pte. Ltd.
101 Upper Cross Street,
No. 06-17, People’s Park Centre,
Singapore (058357)