Variants
BD 5935._ _/61:
With UL-approval
BD 5935.48/200:
special terminal arrangement
see diagram
BD 5935.48/324:
With fast auto start:
typ. 500 ms, without line fault
detection on ON-button
BD 5935.48/824:
With fast auto start:
typ. 110 ms, without line fault
detection on ON-button
Ordering example of Variants
BD 5935 .48 /_ _ _ AC 230 V
Troubleshooting
Failure
LED "Power" does not light up
LED "K2" lights up,
but "K3" remains off
LED "K3" lights up,
but "K2" remains off
Device cannot be activated
Maintenance and repairs
- The device contains no parts that require maintenance.
- In case of failure, do not open the device but send it to manufacturer
for repair.
50/60 Hz
Nominal frequency
Nominal voltage
Variant, if required
Contacts
Type
Potential cause
- Power supply not connected
- Cross fault between S11 and S21
- Safety relay K2 is welded
(replace device)
- A 1-channel switch-off occurred on
S22 (switch channel off on S12)
- Safety relay K3 is welded
(replace device)
- A 1-channel switch-off occurred on
S12 (switch channel off on S22)
Manual start mode
- Line fault on start-button (disconnect
power supply and remove fault)
Automatic start mode:
- S33-S34 are not bridged
- Safety relay is welded
(replace device)
- Incorrect setting of switch S1
Characteristics
250
200
150
100
50
0
1
2
3
4
5
6
7
8
9
Switching current I [A]
M6732
Arc limit curve under resistive load
Quadratic total current limit curve
Application Example
L1
On
A1(+) S11
S33
S34
A2(-)
S21/PE(-)
N
Single-channel emergency-stop circuit. This circuit has no redundancy in
the emergency-stop control circuit.
Please note "Unit programming" !
Switches in pos.:
S1 no cross fault detection
S2 manual start
Suited up tos SIL2, Performance Level d, Cat. 3
18
10
Off
Emergency-
stop
S12
S22
13
23
33
BD5935
14
24
34
M7211
BD 5935 / 20.10.21 en / 461A
41
42