How to Select an Interface Relay for PLC Outputs
A step-by-step guide to matching PLC output type, coil voltage and current, contact rating, and socket style when selecting an interface relay.
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The Siemens TIM 1531 IRC (6GK7543-1MX00-0XE0) is a telecontrol interface module for SIMATIC S7-1500, S7-400, S7-300, and ET200SP stations, supporting SINAUT ST7, DNP3, and IEC 60870-5-101/104 protocols over three RJ45 ports and one switchable RS-232/RS-485 interface. It buffers up to 250,000 events during a connection outage and synchronizes time from an NTP server or control center.
The double-wide format and three Ethernet ports plus a switchable RS-232/RS-485 interface let this TIM run parallel telecontrol paths - LAN/WAN via Ethernet and a classic dial-up or radio link via the serial port - buffering up to 250,000 events if either connection drops. Its cross-platform compatibility with S7-1500, S7-400, S7-300, and ET200SP backplanes makes it the choice when a single telecontrol module design needs to cover mixed-CPU installations rather than a PROFINET or PROFIBUS-only CM or CP module.
Suited to substations, pumping stations, and remote SCADA-connected sites running SINAUT ST7, DNP3, or IEC 60870-5-101/104 telecontrol protocols across mixed SIMATIC S7-1500, S7-400, S7-300, or ET200SP hardware.
| product type designation | TIM 1531 IRC TIM 1531 IRC Communications module for SIMATIC S7-1500, S7-400, S7-300 and ET200SP with SINAUT ST7, DNP3 and IEC 60870-5-101/104 with three RJ45 interfaces for communication via IP-based networks (WAN / LAN) and an RS- 232/RS-485 interface for communication via classic wide area networks. |
|---|---|
| product brand name | SIMATIC NET |
| transfer rate: at the 1st interface | 10 ... 1000 Mbit/s |
|---|---|
| transfer rate: at the 2nd interface | 10 ... 100 Mbit/s |
| transfer rate: at the 3rd interface | 10 ... 100 Mbit/s |
| transfer rate: according to RS 232 | 300 ... 115200 bit/s |
| number of interfaces / according to Industrial Ethernet | 3 |
|---|---|
| number of electrical connections: for external data transmission / according to RS 232 | 1 |
| number of electrical connections: for power supply | 1 |
| number of slots: for memory cards | 1 |
| type of electrical connection: of Industrial Ethernet interface | RJ45 port |
| type of electrical connection: at interface 1 / for external data transmission | 9 pin Sub-D-connector, RS232 switchable to RS485 |
| type of electrical connection: for power supply | 2-pole plugable terminal block |
| slot version: of the memory card | SD 1.0, SD 1.1, SDHC, Siemens SMC |
| storage capacity / of the memory card / maximum | 32 Gibyte |
| Part number | 6GK7543-1MX00-0XE0 |
|---|---|
| Type designation | TIM 1531 IRC TIM 1531 IRC Communications module for SIMATIC S7-1500, S7-400, S7-300 and ET200SP with SINAUT ST7, DNP3 and IEC 60870-5-101/104 with three RJ45 interfaces for communication via IP-based networks (WAN / LAN) and an RS- 232/RS-485 interface for communication via classic wide area networks. |
| Brand | Siemens |
| Condition | New, factory sealed |
| Source | Siemens and its authorised distributors |
| Warranty | Manufacturer warranty |
| Lifecycle status | Phase-out announced by the manufacturer |
| EAN | 4047622276792 |
| ETIM class | EC001423 |
| eCl@ss | 27242208 |
| type of voltage / of the supply voltage | DC |
|---|---|
| supply voltage | 24 V |
| supply voltage / external / at DC / rated value | 24 V |
| consumed current: from external supply voltage / at DC / at 24 V / typical | 0.15 A |
| power loss [W] / with external supply voltage / at 24 V DC: in update mode / typical | 3.9 W |
| power loss [W] / with external supply voltage / at 24 V DC: in communication mode / typical | 3.9 W |
| product extension / optional / backup battery | No |
| ambient temperature: during operation | 0 ... 70 °C |
|---|---|
| ambient temperature: for vertical installation / during operation | 0 ... 50 °C |
| ambient temperature: for horizontally arranged busbars / during operation | 0 ... 70 °C |
| ambient temperature: during storage | -40 ... +70 °C |
| ambient temperature: during transport | -40 ... +70 °C |
| relative humidity: at 25 °C / without condensation / during operation / maximum | 95 % |
| protection class IP | IP20 |
| module format | Compact module S7-1500 double-wide |
|---|---|
| width | 70 mm |
| height | 147 mm |
| depth | 129 mm |
| fastening method: 35 mm DIN-rail mounting | No |
| fastening method: S7-300 rail mounting | No |
| fastening method: S7-1500 rail mounting | Yes |
| product function: DynDNS client | No |
|---|---|
| number of units: note | Number of TIM per S7-1500: 1 |
| wire length: with RS 232 interface / maximum | 6 m |
| wire length: with RS 485 interface / maximum | 30 m |
| number of possible connections / for S7 communication: maximum | 132; only via LAN |
|---|---|
| number of possible connections / for S7 communication: with PG connections / maximum | 4 |
| number of possible connections / for S7 communication: with OP connections / maximum | 4 |
| service: of SIMATIC communication / as server | Yes |
| service: SINAUT ST7 via S7 communication | Yes |
| service: PG/OP communication | Yes |
| number of possible connections: as server / by means of HTTP / maximum | 2 |
|---|---|
| number of possible connections: as server / by means of HTTPS / maximum | 2; 2 per Ethernet interface |
| number of possible connections: as email client / maximum | 1 |
| suitability for use: node station | Yes |
|---|---|
| suitability for use: substation | Yes |
| suitability for use: TIM control center | Yes |
| control center connection | Systems with ST7, DNP3 and IEC 60870-5-101/104 protocol |
| by means of a permanent connection | Systems with ST7, DNP3 and IEC 60870-5-101/104 protocol |
| protocol / is supported: DNP3 | Yes |
| protocol / is supported: IEC 60870-5 | Yes |
| protocol / is supported: SINAUT ST1 protocol | No |
| protocol / is supported: SINAUT ST7 protocol | Yes |
| protocol / is supported: Modbus RTU | No |
| product function / data buffering if connection is aborted | Yes; 100000 data telegrams (ST7) or 250000 events (IEC 60870-5 / DNP3) |
| number of data points per device / maximum | 3000 |
| number of DNP3 masters: for Ethernet / maximum | 4 |
| number of DNP3 masters: with RS 232 interface / maximum | 4 |
| product feature / buffered message frame memory | Yes |
| transmission format: for SINAUT ST7 protocol with polling or spontaneous / 10-bit or 11-bit | Yes |
| operating mode for scanning of data transmission: with dedicated line/radio link / with SINAUT ST7 protocol | Polling, polling with time slot procedure |
| operating mode for scanning of data transmission: with dial-up network / with SINAUT ST7 protocol | spontaneous |
| hamming distance: for SINAUT ST7 protocol | 4 |
| diagnostics function / online diagnostics with SIMATIC STEP 7 | Yes |
|---|---|
| product function: program download with SIMATIC STEP 7 | Yes |
| product function: remote firmware update | Yes |
| product function: remote configuration | Yes |
| product function / MIB support | Yes |
|---|---|
| protocol / is supported: SNMP v1 | Yes |
| protocol / is supported: SNMP v3 | Yes |
| protocol / is supported: DCP | Yes |
| protocol / is supported: LLDP | Yes |
| configuration software: required | STEP 7 Professional V14 SP1 (TIA Portal) or higher |
| configuration software: for CPU configuring / required / SINAUT TD7 block library for CPU | No |
| configuration software: for PG configuring / required / SINAUT ST7 configuration software for PG | No |
| storage location / of TIM configuration data | Flash or SD card of the TIM 1531 IRC |
| identification & maintenance function: I&M0 - device-specific information | Yes |
| identification & maintenance function: I&M1 - higher level designation/location designation | Yes |
| identification & maintenance function: I&M2 - installation date | Yes |
| identification & maintenance function: I&M3 - comment | Yes |
| product function / is supported / identification link | Yes; acc. to IEC 61406-1:2022 |
| product function / web-based diagnostics | Yes |
|---|
| service / routing / note | IP routing up to 1 Mbps |
|---|---|
| product function: static IP routing | Yes |
| product function: static IP routing IPv6 | Yes |
| product function: dynamic IP routing | No |
| product function: dynamic IP routing IPv6 | No |
| protocol / is supported: RIP v1 | No |
| protocol / is supported: RIPv2 | No |
| protocol / is supported: RIPnG for IPv6 | No |
| protocol / is supported: OSPFv2 | No |
| protocol / is supported: OSPFv3 for IPv6 | No |
| protocol / is supported: VRRP | No |
| protocol / is supported: VRRP for IPv6 | No |
| protocol / is supported: BGP | No |
| protocol / is supported: PPP | No |
| protocol / is supported: PPoE via DSL | No |
| product function: MSC client via GPRS modem with MSC capability | Yes |
|---|---|
| protocol: is supported / MSC protocol | Yes |
| protocol: with Virtual Private Network MSC / is supported | TCP/IP |
| key length / for MSC / with Virtual Private Network | 128 bit |
| number of possible connections: as MSC client / with VPN connection | 1 |
| number of possible connections: as MSC server / with VPN connection | 127 |
| product function / SICLOCK support | No |
|---|---|
| product function / pass on time synchronization | Yes |
| protocol / is supported: NTP | Yes |
| protocol / is supported: NTP (secure) | Yes |
| product component / hardware real time clock | No |
| product feature / hardware real time clock w. battery backup | No |
| time synchronization: from NTP-server | Yes |
| time synchronization: from GPS-signal | No |
| time synchronization: from control center | Yes |
| time synchronization: from mobile network provider | No |
| time synchronization: PC | No |
| time synchronization: manual setting | No |
| product function: position detection with GPS | No |
|---|---|
| product function: pass on position data | No |
| certificate of suitability / CE marking | Yes |
|---|---|
| certificate of suitability / Regulatory Compliance Mark (RCM) | Yes |
| certificate of suitability / RoHS conformity | Yes |
| certificate of suitability / EAC approval | Yes |
| certificate of suitability / ATEX | Yes |
|---|---|
| certificate of suitability / IECEx | Yes |
| certificate of suitability / CCC / for hazardous zone according to GB standard | Yes |
| certificate of suitability / FM registration | Yes |
| Marine classification association / Det Norske Veritas (DNV) | Yes |
|---|
| Environmental Product Declaration | Yes |
|---|---|
| global warming potential [CO2 eq]: total | 128.35 kg |
| global warming potential [CO2 eq]: during manufacturing | 18.7 kg |
| global warming potential [CO2 eq]: during operation | 109 kg |
| global warming potential [CO2 eq]: after end of life | 0.65 kg |
| Net weight | 0.356 kg |
|---|---|
| Package dimensions | 5 × 65 × 110 mm |
| Country of origin | DE |
| Shipping weight | 0.856 kg |
| Ships from | Türkiye |
| Dispatch | — |
| Stock | On request |
Source: manufacturer data · Last verified: 01 Nov 2026
No documents are on file for this part yet.
Ask us for the datasheetThe tariff (HS) code on file for TIM 1531 IRC TIM 1531 IRC Communications module for SIMATIC S7-1500, S7-400, S7-300 and ET200SP with SINAUT ST7, DNP3 and IEC 60870-5-101/104 with three RJ45 interfaces for communication via IP-based networks (WAN / LAN) and an RS- 232/RS-485 interface for communication via classic wide area networks. is 85176200.
The EAN (GTIN) of TIM 1531 IRC TIM 1531 IRC Communications module for SIMATIC S7-1500, S7-400, S7-300 and ET200SP with SINAUT ST7, DNP3 and IEC 60870-5-101/104 with three RJ45 interfaces for communication via IP-based networks (WAN / LAN) and an RS- 232/RS-485 interface for communication via classic wide area networks. is 4047622276792.
TIM 1531 IRC TIM 1531 IRC Communications module for SIMATIC S7-1500, S7-400, S7-300 and ET200SP with SINAUT ST7, DNP3 and IEC 60870-5-101/104 with three RJ45 interfaces for communication via IP-based networks (WAN / LAN) and an RS- 232/RS-485 interface for communication via classic wide area networks. ships from Türkiye. Shipping calculated at checkout · import duties and taxes paid on arrival.
A step-by-step guide to matching PLC output type, coil voltage and current, contact rating, and socket style when selecting an interface relay.
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