| Compact Switch Module CSM 1277 for connecting SIMATIC S7-1200 and up to 3 further nodes to Industrial Ethernet with 10/100 Mbit/s; unmanaged switch, 4 RJ45 ports, ext. 24 V DC power supply LED diagnostics, S7-1200 module incl. electronic equipment manual on CD-ROM |
| Product type designation | SCALANCE CSM 1277 |
| Transmission rate |
| Transfer rate | 10 Mbit/s, 100 Mbit/s |
| Interfaces / for communication / integrated |
| Number of electrical connections | |
| for network components or terminal equipment | 4 |
| Number of 100 Mbit/s SC ports | |
| for multimode | 0 |
| Number of 1000 Mbit/s LC ports | |
| for multimode | 0 |
| for single mode (LD) | 0 |
| Interfaces / others |
| Number of electrical connections | |
| for power supply | 1 |
| Type of electrical connection | |
| for power supply | 3-pole terminal block |
| Supply voltage, current consumption, power loss |
| Type of voltage / of the supply voltage | DC |
| Supply voltage | |
| external | 24 V |
| external / minimum | 19.2 V |
| external / maximum | 28.8 V |
| Product component / fusing at power supply input | Yes |
| Fuse protection type / at input for supply voltage | 0.5 A / 60 V |
| Consumed current / maximum | 0.07 A |
| Power loss [W] | |
| at DC / at 24 V | 1.6 W |
| Permitted ambient conditions |
| Ambient temperature | |
| during operation | 0 ... 60 °C |
| during storage | -40 ... +70 °C |
| during transport | -40 ... +70 °C |
| Relative humidity | |
| at 25 °C / without condensation / during operation / maximum | 95 % |
| Protection class IP | IP20 |
| Design, dimensions and weight |
| Design | SIMATIC S7-1200 device design |
| Width | 45 mm |
| Height | 100 mm |
| Depth | 75 mm |
| Net weight | 0.15 kg |
| Mounting type | |
| 35 mm DIN rail mounting | Yes |
| wall mounting | Yes |
| S7-300 rail mounting | No |
| S7-1500 rail mounting | No |
| Product functions / management, configuration |
| Product function | |
| multiport mirroring | No |
| Product function / switch-managed | No |
| Standards, specifications, approvals |
| Standard | |
| for FM | FM3611: Class 1, Divison 2, Group A, B, C, D / T.., CL.1, Zone 2, GP. IIC, T.. Ta |
| for hazardous zone | EN 600079-15:2005, EN 600079-0:2006, II 3 G Ex nA II T4, KEMA 08 ATEX 0003 X |
| for safety / from CSA and UL | UL 508, CSA C22.2 No. 142 |
| for emitted interference | EN 61000-6-4:2007 |
| for interference immunity | EN 61000-6-2:2005 |
| Standards, specifications, approvals / CE |
| Certificate of suitability / CE marking | Yes |
| Standards, specifications, approvals / miscellaneous |
| Certificate of suitability | EN 61000-6-2:2005, EN 61000-6-4:2007 |
| C-Tick | Yes |
| KC approval | No |
| Standards, specifications, approvals / ship classification |
| Marine classification association | |
| American Bureau of Shipping Europe Ltd. (ABS) | Yes |
| Bureau Veritas (BV) | Yes |
| Det Norske Veritas (DNV) | Yes |
| Germanische Lloyd (GL) | No |
| Lloyds Register of Shipping (LRS) | Yes |
| Nippon Kaiji Kyokai (NK) | Yes |
| Polski Rejestr Statkow (PRS) | No |
| Royal Institution of Naval Architects (RINA) | No |
| Standards, specifications, approvals / product conformity |
| MTBF | 273 y |
