| Product type designation | CP 343-1 ERPC |
| Communications processor CP 343-1 ERPC for connection of SIMATIC S7-300 CPU to Industrial Ethernet and to various databases Functions: TCP/UDP, S7 comm., open communication with a. without RFC1006, Multicast, Web server, Clock time via SIMATIC method or NTP, access protection via IP access list SNMP, DHCP, C-plug, Gigabit interface 1x RJ45 (10/100/1000 MB) |
| Transmission rate |
| Transfer rate | |
| at the 1st interface | 10 ... 1000 Mbit/s |
| Interfaces |
| Number of interfaces / acc. to Industrial Ethernet | 1 |
| Number of electrical connections | |
| at the 1st interface / acc. to Industrial Ethernet | 1 |
| for power supply | 1 |
| Type of electrical connection | |
| at the 1st interface / acc. to Industrial Ethernet | RJ45 port |
| for power supply | 2-pole plugable terminal block |
| design of the removable storage / C-PLUG | Yes |
| Supply voltage, current consumption, power loss |
| Type of voltage / of the supply voltage | DC |
| Supply voltage / 1 / from backplane bus | 5 V |
| Supply voltage / external | 24 V |
| Supply voltage / external / at DC / Rated value | 24 V |
| Relative positive tolerance / at DC / at 24 V | 20 % |
| Relative negative tolerance / at DC / at 24 V | 15 % |
| Consumed current | |
| from backplane bus / at DC / at 5 V / typical | 0.3 A |
| from external supply voltage / at DC / at 24 V / typical | 0.16 A |
| from external supply voltage / at DC / at 24 V / maximum | 0.6 A |
| Power loss [W] | 14.7 W |
| Permitted ambient conditions |
| Ambient temperature | |
| for vertical installation / during operation | 0 ... 40 °C |
| for horizontally arranged busbars / 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 |
| Module format | Compact module S7-300 double width |
| Width | 80 mm |
| Height | 125 mm |
| Depth | 120 mm |
| Net weight | 0.8 kg |
| Mounting type | |
| S7-300 rail mounting | Yes |
| Performance data / open communication |
| Number of possible connections / for open communication / by means of SEND/RECEIVE blocks / maximum | 8 |
| Amount of data | |
| as user data per ISO on TCP connection / for open communication / by means of SEND/RECEIVE blocks / maximum | 8 Kibyte |
| as user data per TCP connection / for open communication / by means of SEND/RECEIVE blocks / maximum | 8 Kibyte |
| as user data per UDP connection / for open IE communication / by means of SEND/RECEIVE blocks / maximum | 2 Kibyte |
| Number of Multicast stations | 8 |
| Performance data / S7 communication |
| Number of possible connections / for S7 communication | |
| maximum | 8 |
| Note | also 2 PG/OP connections and 1 diagnostics connection |
| Performance data / multi-protocol mode |
| Number of active connections / with multi-protocol mode | 32 |
| Performance data / IT functions |
| Number of possible connections | |
| as server / by means of HTTP / maximum | 4 |
| Number of possible write cycles / of the flash memory cells | 100000 |
| Performance data / ERPC functions |
| Number of possible connections / for communication with ERP or MES stations / maximum | 8 |
| Number of possible logical triggers / per CP / maximum | 8 |
| Number of configurable ERPC symbols for database access | |
| per CPU / maximum | 2000 |
| per logical trigger / maximum | 255 |
| Amount of data / as user data and header information per logical trigger | 8 Kibyte |
| Performance data / telecontrol |
| Protocol / is supported | |
| TCP/IP | Yes |
| Product functions / management, configuration |
| Product function / MIB support | Yes |
| Protocol / is supported | |
| SNMP v1 | Yes |
| DCP | Yes |
| LLDP | Yes |
| Configuration software | |
| required | STEP 7 V5.4 SP5 + HSP or higher |
| Identification & maintenance function | |
| I&M0 - device-specific information | Yes |
| I&M1 – higher-level designation/location designation | Yes |
| Product functions / Diagnosis |
| Product function / Web-based diagnostics | Yes |
| Product functions / switch |
| Product feature / Switch | No |
| Product functions / Redundancy |
| Product function | |
| Ring redundancy | No |
| Product functions / Security |
| Product function | |
| password protection for Web applications | No |
| ACL - IP-based | Yes |
| ACL - IP-based for PLC/routing | No |
| switch-off of non-required services | Yes |
| Blocking of communication via physical ports | Yes |
| log file for unauthorized access | No |
| Product functions / Time |
| Product function / SICLOCK support | Yes |
| Product function / pass on time synchronization | Yes |
| Protocol / is supported | |
| NTP | Yes |
