Why Siemens 7SR18 Solkor Relays display one instrument after another?
This is normal operation because default instruments are enabled. To change this, remove all instruments from the default list and add only those that are required.
How to fix Siemens Relays that will not communicate in a ring network?
First, check that all relays are powered up. Second, verify that each relay has a unique address.
What to do if Siemens Relay won’t accept the password?
First, ensure that you are entering the correct password. If you've forgotten the correct password, note down the Numeric Code displayed on the Change Password screen. Then, communicate this code to a Siemens Protection Devices Ltd. representative to retrieve the password.
What to do if I cannot communicate with the Siemens relay?
First, check that all of the communications settings match those used by Reydisp Evolution. Second, check that all cables, modems and fibre-optic cables work correctly. Finally, ensure that IEC 60870-5-103 is specified for the connected port (COM1 or COM2).
How to fix Siemens 7SR18 Solkor status inputs that do not work?
First, check that the correct DC voltage is applied and that the polarity is correct. Second, verify that the status input settings such as the pick-up and drop-off timers and the status inversion function are correctly set.
What to do if Siemens Relay does not power up?
Check that the correct auxiliary AC or DC voltage is applied and that the polarity is correct.
Why Siemens Relay instrument displays show small currents or voltages even though the system is dead?
This is normal. The relay is displaying calculation noise, which will not affect any accuracy claims for the relay.
How to fix Siemens Relays backlight is on but no text can be seen?
Adjust the contrast.
How to fix Siemens 7SR18 Solkor Relays scrolling text messages are unreadable?
Adjust the contrast.
General| Frequency | 50/60 Hz |
|---|---|
| Communication Ports | RS485, Ethernet |
| Differential Protection | Yes |
| Overcurrent Protection | Yes |
| Earth Fault Protection | Yes |
| Number of Overcurrent Stages | 4 |
| Rated Voltage | 110-250V AC/DC |
| Current Input | 1A / 5A |
| Protocols | IEC 61850, Modbus |
| Auxiliary Supply Voltage | 24V to 250V AC/DC |
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