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 | |
| 1 000 m |
Integrated protocol driver | |
| Yes |
| Yes; Available as library function |
| Yes |
| Yes |
| Yes |
| Yes; Available as library function |
Protocols | |
Integrated protocols | |
Freeport | |
| 1 kbyte |
| 7 or 8 |
| 1 (Standard), 2 |
| No parity (standard); even, uneven, mark (parity bit always 1); space (parity bit always 0) |
3964 (R) | |
| 1 kbyte |
| 7 or 8 |
| 1 (Standard), 2 |
| No parity (standard); even, uneven, mark (parity bit always 1); space (parity bit always 0) |
Modbus RTU master | |
| 1 through 49 999 (Standard Modbus addressing) |
| 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 | |
| 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 | |
| Yes |
Standards, approvals, certificates | |
CE mark | Yes |
cULus | Yes |
FM approval | Yes |
RCM (formerly C-TICK) | Yes |
KC approval | Yes |
Ambient conditions | |
Free fall | |
| 0.3 m; five times, in product package |
Ambient temperature during operation | |
| -20 °C |
| 60 °C |
| -20 °C |
| 60 °C |
| -20 °C |
| 50 °C |
| 5°C to 55°C, 3°C / minute |
Ambient temperature during storage/transportation | |
| -40 °C |
| 70 °C |
Air pressure acc. to IEC 60068-2-13 | |
| 795 hPa |
| 1 080 hPa |
| 660 hPa |
| 1 080 hPa |
Relative humidity | |
| 95 % |
Mechanics/material | |
Enclosure material (front) | |
| Yes |
Dimensions | |
Width | 38 mm |
Height | 62 mm |
Depth | 21 mm |
Weights | |
Weight, approx. | 40 g |
