About these instructions About these instructions These instructions are part of the product. Mayser accepts no responsibility or warranty claims for damage and consequen- tial damage due to failure to observe the instructions. Validity These instructions are only valid for the products specified on the title page.
To prevent irreparable damage to the product, you must observe the following safety instructions. Ä Do not open the control unit Never open, tamper with or alter the control unit. 081222 v2.11-RiA Operating instructions SG-EFS 104/2W Page 5/19...
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Ä Protect against strong electromagnetic pulses Protect the control unit from excessive incoming electromagnetic radiation. Strong electromagnetic pulses are capable of triggering a safe OFF on the control unit. 081222 v2.11-RiA Operating instructions SG-EFS 104/2W Page 6/19...
M1 and M2 signal outputs are set to LOW. The signal circuit is in the ON state. Signal circuit The signal circuit works the opposite way round to OSSDs 1 and 2. 081222 v2.11-RiA Operating instructions SG-EFS 104/2W Page 8/19...
• Secure them to prevent them being switched back on. • Check that they are de-energised. 1. Fix the control unit in any position on a 35°mm mounting rail acc. to IEC 60715. 081222 v2.11-RiA Operating instructions SG-EFS 104/2W Page 9/19...
“activated” to “not activated”, i.e. if the button sticks, no reset function is initiated. Remove the bridge between cable terminals S1 and S2. Ä Wire up a button between cable terminals S1 and S3. Ä 081222 v2.11-RiA Operating instructions SG-EFS 104/2W Page 10/19...
Signal output M1: sensor Wire the load between cable terminals M1 and A2. Ä Signal output M2: fault Wire the load between cable terminals M2 and A2. Ä Connection examples Connection example 1 081222 v2.11-RiA Operating instructions SG-EFS 104/2W Page 11/19...
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Installation Connection example 2 Machine controls Connection example 3 Automatic reset Contact multiplication Connection example 4 Manual reset Contact multiplication 081222 v2.11-RiA Operating instructions SG-EFS 104/2W Page 12/19...
1. Make sure no sensors are activated. Green “Power” and “Sensor” LEDs light up OSSDs 1 and 2 are open Signal circuit closed Signal outputs M1 and M2 are set to HIGH 081222 v2.11-RiA Operating instructions SG-EFS 104/2W Page 13/19...
Throughout the entire time the protective device remains activated, the OSSDs stay in the OFF state. If the protective device stops being activated, various states are possible for the OSSDs. This depends on which reset type is selected (see Function, Reset). 081222 v2.11-RiA Operating instructions SG-EFS 104/2W Page 14/19...
Carry out the commissioning process (see Commissioning). Ä Maintenance and cleaning Maintenance The control unit is maintenance-free. Repeat the functional test monthly. Ä Cleaning Clean the outside of the enclosure with a dry cloth. Ä 081222 v2.11-RiA Operating instructions SG-EFS 104/2W Page 15/19...
Ä Sensor with 8k2 connected to Y1 and Y3? Cable break Ä Replace sensor Still unable to resolve the fault? Contact Mayser-Support: Tel. +49 731 2061-0. Ä In the event of enquiries, have the information from the type plate to hand. Ä Type plate There is a type plate on the side of the control unit for identification purposes.
Replacement parts Replacement parts CAUTION Overall safety at risk Failure to use original Mayser parts when replacing parts of the product can impair the function of the protective device. Only use original Mayser parts. Ä Disposal Control unit The control units produced by Mayser are professional electronic tools exclusive- ly intended for commercial use (known as B2B devices).
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