6ES7241-1CH30-1XB0
SIMATIC S7-1200, Communication Board CB 1241, RS485, terminal block, supports Freeport.
Product category
CommunicationManufacturer
SIEMENSProduct series
S7-1200| 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 device | 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) |
| max. number of devices | 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 device | |
| 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 |
| Approvals / Certificates | |