CB 1241 communication board RS 485 . Технические данные . Подробное описание, цены на оборудование Siemens. Большой выбор, низкие цены на CB 1241 communication board RS 485

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Article number		6ES7241-1CH30-1XB0
		COMMUNICATION BOARD CB 1241, RS485
General information
Product type designation		CB 1241 RS485
Input current
from backplane bus 5 V DC, typ.		50 mA
Power loss
Power loss, typ.		1.5 W
Interfaces
Point-to-point
в—Џ Cable length, max.		1 000 m
Integrated protocol driver
вЂ” Freeport		Yes
вЂ” ASCII		Yes; Available as library function
вЂ” Modbus		Yes
вЂ” Modbus RTU master		Yes
вЂ” MODBUS RTU slave		Yes
вЂ” USS		Yes; Available as library function
Protocols
Integrated protocols
Freeport
вЂ” Telegram length, max.		1 kbyte
вЂ” Bits per character		7 or 8
вЂ” Number of stop bits		1 (Standard), 2
вЂ” Parity		No parity (standard); even, uneven, mark (parity bit always 1); space (parity bit always 0)
3964 (R)
вЂ” Telegram length, max.		1 kbyte
вЂ” Bits per character		7 or 8
вЂ” Number of stop bits		1 (Standard), 2
вЂ” Parity		No parity (standard); even, uneven, mark (parity bit always 1); space (parity bit always 0)
Modbus RTU master
вЂ” Address area		1 through 49 999 (Standard Modbus addressing)
вЂ” 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
вЂ” Address area		1 through 49 999 (Standard Modbus addressing)
Interrupts/diagnostics/status information
Diagnostic functions		Yes
Degree and class of protection
Degree of protection acc. to EN 60529
в—Џ IP20		Yes
Standards, approvals, certificates
CE mark		Yes
cULus		Yes
FM approval		Yes
RCM (formerly C-TICK)		Yes
KC approval		Yes
Ambient conditions
Free fall
в—Џ Fall height, max.		0.3 m; five times, in product package
Ambient temperature during operation
в—Џ min.		-20 °C
в—Џ max.		60 °C
в—Џ horizontal installation, min.		-20 °C
в—Џ horizontal installation, max.		60 °C
в—Џ vertical installation, min.		-20 °C
в—Џ vertical installation, max.		50 °C
в—Џ permissible temperature change		5°C to 55°C, 3°C / minute
Ambient temperature during storage/transportation
в—Џ min.		-40 °C
в—Џ max.		70 °C
Air pressure acc. to IEC 60068-2-13
в—Џ Operation, min.		795 hPa
в—Џ Operation, max.		1 080 hPa
в—Џ Storage/transport, min.		660 hPa
в—Џ Storage/transport, max.		1 080 hPa
Relative humidity
в—Џ Operation at 25 в„ѓ without condensation, max.		95 %
Mechanics/material
Enclosure material (front)
в—Џ Plastic		Yes
Dimensions
Width		38 mm
Height		62 mm
Depth		21 mm
Weights
Weight, approx.		40 g

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