Diagnostics - Eaton ESR5-BWS-31-24VAC-DC Manual

6 Diagnostics

6 Diagnostics
Power
○
●
Connection/
●
voltage error
●
●
Cross-circuit
●
●
○
●
Short circuit
●
Fault in reset
●
circuit
●
Fault with
internal ●
cause
●
10
○ – LED off
● – LED on
Table 1: Diagnostic description
K1 K2 Fault
○ ○ Supply voltage not present.
○ ●
Supply voltage too low.
○ ○
The enable circuits are connected incorrectly
○ ○
or not connected at all.
Between both enable circuits S11- S12 and
S11-S22.
○ ●
Error detection on next demand.
E.g., for emergency stop or safety door.
Between both enable circuits S11- S22 and
S11-S12.
● ○
Error detection on next demand.
E.g., for emergency stop or safety door.
Between both enable circuits S12 and S22.
○ ○ The fault is not detected by the module itself.
E.g., for light grid type 4.
○ ○ Between contact points A1 and A2.
Between S11 and S12.
● ○
Fault detection on next demand.
Between S11 and S22.
○ ●
Fault detection on next demand.
Faulty reset button.
Short circuit between S33 and S34.
○ ●
No fault detection on initial start, only on first
new demand.
○ ● Enable contact(s) of K1 faulty.
● ○ Enable contact(s) of K2 faulty.
○ ○ Enable contact(s) of K1 and K2 faulty.
ESR5-BWS-31-24VAC-DC 12/19 MN049005EN www.eaton.com
Remedy
Apply supply voltage.
Adjust supply voltage.
Check the connection of the enable
circuits.
Remove cross-circuit.
Remove short circuit.
Remove short circuit.
Replace safety relays.