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SM100 Specifications On-Line Switchgear Condition Monitoring |
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| INPUTS | | | Analogue: | 1 x Trip and close coil current inputs. 1 x Battery voltage 300V DC maximum – Optional 3 x Phase current (via secondary level split core CT) - Optional 3 x Phase voltage (VT secondary level) - Optional 3 x Resistive (linear or rotary) travel transducer inputs – Optional 6 x Pressure / Temperature (via 2-wire 24V DC loop powered transmitter) – Optional 8 x User configurable non-synchronous inputs – Optional | | Analogue Accuracy: | <0.25% F.S. | | Digital: | 4 x User configurable 24 to 250V DC externally wetted or 24V DC internally wetted (off-line) inputs for contact timing. 4 x User configurable 24 to 250V DC externally wetted or 24V DC internally wetted (off-line) inputs for contact timing – Optional | | Digital Resolution: | 100µSec. | | OUTPUTS | | | Alarm Output: | 2 x relay contacts for SM100 watchdog and circuit breaker condition (definable). | | | | | COMMUNICATIONS | | | Communication: | RS232 for local / remote (via modem) communication to PC or RS485 (multi-drop) substation communications to Local Processing Unit. | | RECORDING | | | Resolution: | 12 bit A/D (1:4096) | | Sampling Rate: | 10, 5, 2, 1 kHz (user selectable). | | Real Time Clock: | Free running crystal clock with option to time synchronise via autopoll from PC to within 1 second or via LPU to within 1mS between substations for time stamping of records. | | Storage: | 2 records minimum (actual depends on selected sample rate). | | Start trigger: | Digital input, coil current, over phase current or under phase voltage. | | OPERATING VOLTAGES | | | Prime Power: | 24 / 48 / 110 / 220V DC. | | ENVIRONMENTAL | | | Operating Temperature: | -30ºC to 60ºC (-22ºF to 140ºF) | | Humidity: | 0 to 97% RH non-condensing. | | Isolation: | 2.5kV rms for 1 minute (channel to channel, channel to earth) | | Surge Withstand Transient: | To IEC 801-5. 1.2/50mS. Common Mode: Severity level class 4. Series Mode: Severity level class 3. | | Fast Transient Burst: | To IEC 801-4 level 3. | | RFI Immunity: | To IEC801-3 level 3. 10V/m 26-1000MHz. | | Emissions: | To EN50081-1: 1992. | | MECHANICAL DETAILS | | | Mounting: | Within breaker drive unit, external or indoor enclosure. |
| INPUTS | | Analogue: | 1 x Battery voltage 300V DC maximum – Optional | | | 4 x phase current (via secondary level split core CT) - Optional | | | 4 x phase voltage (VT secondary level) - Optional | | OUTPUTS | | Alarm Output: | 4 x relay contacts (SM100 failure, LPU failure, set contact wear limit reached and data | | | logging parameter outside limites). | | COMMUNICATIONS | | Communication: | RS232 for local / remote (via modem) communication to PC and RS485 (multi-drop) | | | substation communications to SM100 Units (100 max.).^ | | USER INTERFACE | | Input: | Keypad. | | Output: | Backlight alpha-numeric LCD display. | | | Diagnostic LED’s. | | Configuration: | Configuration of all connected SM100 units and Processing Unit. | | Indication: | Status of any monitored breaker on LCD display. | | | | | RECORDING | | Resolution: | 12 bit A/D (1:4096) | | Sampling Rate: | 10 kHz. | | Trend Recording: | 1 minute min, max & avg on all analogue channel. | | Storage: | Hard disk drive for mass data from connected SM100 units. | | Real Time Clock: | Free running crystal clock with option to time synchronise via autopoll from PC to allow time | | | stamping of records / trend data to within 1 second between substations. | | GPS or RCC: | Optional. GPS accuracy <1mS, DCF77 <10mS. | | | | | OPERATING VOLTAGES | | Prime Power: | 88 to 370V DC, 85 to 264V AC. | | ENVIRONMENTAL | | Operating | | | Temperature: | -10ºC to 55ºC (14ºF to 131ºF) | | Humidity: | 0 to 97% RH non-condensing. | | Isolation: | 2.5kV rms for 1 minute (channel to channel or channel to earth) | | Surge Withstand | | | Transient: | To IEC 801-5. 1.2/50mS. | | | Common Mode: Severity level class 4. | | | Series Mode: Severity level class 3. | | Fast Transient Burst: | To IEC 801-4 level 3. | | RFI Immunity: | To IEC801-3 level 3. 10V/m 26-1000MHz. | | Emissions: | To EN50081-1: 1992. | | MECHANICAL DETAILS | | Mounting: | Surface or 19” wide rack. | | | |
| DUE TO CONTINUING DEVELOPMENT AND IMPROVEMENTS WEIS RESERVES THE RIGHT TO CHANGE THIS SPECIFICATION WITHOUT NOTICE Windows is a trademark for Microsoft Inc. |
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