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7SR210 & 7SR220 Installation Guide List of Figures Figure 3.1-1 Overall Dimensions (mm) and panel Drilling for Size E6 Epsilon case (Typically 4.2 kg)........................7 Figure 3.1-2 Overall Dimensions (mm) and Panel Drilling for Size E8 Epsilon Case (Typically 5.3 kg)........................7 Figure 4.1-1 E6 Standard Comms (USB Front Port, Rear RS485) (See Note 2) ........9...
If damage has been sustained a claim should be immediately be made against the carrier, also inform Siemens Protection Devices Limited, and to the nearest Siemens agent, using the Defect Report Form in the Maintenance section of this manual.
7SR210 & 7SR220 Installation Guide Section 3: Dimensions and Panel Fixings Relay Dimensions and Weight Relays are supplied in the modular size E6 or E8 The following drawings are available which give panel cut-out and mounting details. Case Earth 201.5 216.5...
7SR210 & 7SR220 Installation Guide E8 Case Figure 4.2-1 E8 Standard Comms (USB Front Port, Rear RS485) (See Note 2) Figure 4.2-2 E8 Standard + Additional Comms (IRIG B, 2 x F.O. (ST Connectors)) Notes 1) Recommended terminations are pre-insulated & must be crimped using approved tooling.
7SR210 & 7SR220 Installation Guide Section 6: Data Comms Connections Standard RS485 Connections The standard RS485 communication port is located on terminal block 2 at the rear of the relay and can be connected using a suitable RS485 120Ω screened twisted pair cable.
7SR210 & 7SR220 Installation Guide Additional (Optional) RS485 Connections The additional (optional) RS485 communication port is located at the rear of the relay and can be connected using a suitable RS485 120 ohm screened twisted pair cable. The RS485 electrical connection can be used in a single or multi-drop configuration. The RS485 master must support and use the Auto Device Enable (ADE) feature.
7SR210 & 7SR220 Installation Guide Typical Connection: 7SR22 Directional OC/EF and NVD NOTES 1) CT circuits are shown connected to 1A tap – use alternative tap for 5A rated CTs. 2) CT and Earth connections are typical only. 3) Application shows use of V as an NVD input.
7SR210 & 7SR220 Installation Guide Typical Connection: 7SR22 Directional OC and EF NOTES 1) CT circuits are shown connected to 1A tap – use alternative tap for 5A rated CTs. 2) CT and Earth connections are typical only. 3) Vee Connected VT: Phase Voltage Config:-VA,VB,VC 4) DEF elements must be NPS polarised (Vo polarising not applicable) Figure 7.5-1 7SR22 Applied to Feeder - No Zero Sequence Voltage Source...