$ 118.68 – $ 125.81
The CM 1241 communications modules are used for quick, high-performance serial data exchange via point-to-point connection.
Point-to-point connection is possible to, e.g.:
Article number | 6ES7241-1CH32-0XB0 | 6ES7241-1AH32-0XB0 |
Communication Module cm 1241, RS422/485 | Communication Module cm 1241, RS232 | |
General information | ||
Product type designation | CM 1241 RS 422 / 485 | CM 1241 RS 232 |
Supply voltage | ||
Rated value (DC) | 24 V | 24 V |
permissible range, lower limit (DC) | 20.4 V | 20.4 V |
permissible range, upper limit (DC) | 28.8 V | 28.8 V |
Input current | ||
Current consumption, max. | 220 mA; From backplane bus 5 V DC | 200 mA; From backplane bus 5 V DC |
Power loss | ||
Power loss, typ. | 1.1 W | 1.1 W |
Interfaces | ||
Interfaces/bus type | RS 422 / 485 (X.27) | RS 232C (V.24) |
Number of interfaces | 1 | 1 |
Point-to-point connection | ||
● Cable length, max. | 1 000 m | 10 m |
Integrated protocol driver | ||
— Freeport | Yes | Yes |
— ASCII | Yes; Available as library function | Yes; Available as library function |
— Modbus RTU master | Yes | Yes |
— MODBUS RTU slave | Yes | Yes |
— USS | Yes; Available as library function | |
Protocols | ||
Integrated protocols | ||
Freeport | ||
— Telegram length, max. | 1 kbyte | 1 kbyte |
— Bits per character | 7 or 8 | 7 or 8 |
— Number of stop bits | 1 (Standard), 2 | 1 (Standard), 2 |
— Parity | No parity (standard); even, uneven, mark (parity bit always 1); space (parity bit always 0) | No parity (standard); even, uneven, mark (parity bit always 1); space (parity bit always 0) |
3964 (R) | ||
— Telegram length, max. | 1 kbyte | 1 kbyte |
— Bits per character | 7 or 8 | 7 or 8 |
— Number of stop bits | 1 (Standard), 2 | 1 (Standard), 2 |
— Parity | No parity (standard); even, uneven, mark (parity bit always 1); space (parity bit always 0) | 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) | 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 | 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) | 1 through 49 999 (Standard Modbus addressing) |
Interrupts/diagnostics/status information | ||
Diagnostics function | Yes | Yes |
Diagnostics indication LED | ||
● for status of the outputs | Yes | Yes |
Degree and class of protection | ||
IP degree of protection | IP20 | IP20 |
Standards, approvals, certificates | ||
CE mark | Yes | Yes |
CSA approval | Yes | Yes |
UL approval | Yes | Yes |
cULus | Yes | Yes |
FM approval | Yes | Yes |
RCM (formerly C-TICK) | Yes | Yes |
KC approval | Yes | Yes |
Marine approval | Yes | Yes |
Ambient conditions | ||
Free fall | ||
● Fall height, max. | 0.3 m; five times, in product package | 0.3 m; five times, in product package |
Ambient temperature during operation | ||
● min. | -20 °C | -20 °C |
● max. | 60 °C | 60 °C |
● horizontal installation, min. | -20 °C | -20 °C |
● horizontal installation, max. | 60 °C | 60 °C |
● vertical installation, min. | -20 °C | -20 °C |
● vertical installation, max. | 50 °C | 50 °C |
● permissible temperature change | 5°C to 55°C, 3°C / minute | 5°C to 55°C, 3°C / minute |
Ambient temperature during storage/transportation | ||
● min. | -40 °C | -40 °C |
● max. | 70 °C | 70 °C |
Air pressure acc. to IEC 60068-2-13 | ||
● Operation, min. | 795 hPa | 795 hPa |
● Operation, max. | 1 080 hPa | 1 080 hPa |
● Storage/transport, min. | 660 hPa | 660 hPa |
● Storage/transport, max. | 1 080 hPa | 1 080 hPa |
Relative humidity | ||
● Operation at 25 ℃ without condensation, max. | 95 % | 95 % |
Dimensions | ||
Width | 30 mm | 30 mm |
Height | 100 mm | 100 mm |
Depth | 75 mm | 75 mm |
Weights | ||
Weight, approx. | 155 g | 150 g |
Weight | N/A |
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Dimensions | N/A |
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