Variants; Troubleshooting; Maintenance And Repairs; Characteristics - DOLD SAFEMASTER C UG 6970 Manuel D'utilisation

Variants

UG 6970 .04 _ _ / _ _ 0 /61 DC 24 V

Troubleshooting

Failure
LED "ON" does not light up
LED "ERR" flashes
in relation 1:1
LED "ERR" flashes
in relation 4:1
LED "ERR"
continuously on

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.
Nominal voltage
UL-approval
2. Safety function
0 = Adjustable
1. Safety function
0 = Adjustable
Type of terminals
PC (plug in cage clamp):
pluggable terminal blocks,
with cage clamp terminals
PS (plug in screw):
pluggable terminal blocks,
with screw terminals
PT (plug in Twin cage clamp):
pluggable terminal blocks,
with cage clamp terminals 2-wire
Contacts
Type
Potential cause
- Power supply A1+/A2
not connected
- Under- or overvoltage
(check power supply A1+/A2)
- External failure (see flashing code)
- System error
(if cannot be removed after restart
unit must be replaced)

Characteristics

2
2
I ( A )
250
225
200
175
150
125
100
75
50
25
0 10 20 30
device free-standing
max. current at 60°C( 2000m) or 50 °C (4000m)
£
^
4 contact path = 3,5A = 4x3,5 A = 100A
device mounted without distance heated by
devices with same load,
max. current at 55°C( 2000m) or 45 °C (4000m) over
£
^
4 contact path = 1A = 4x1 A = 4A
2 2 2 2 2
S I = I + I + I + I
1 2 3 4
I , I , I , I
- current in contact paths
1 2 3 4
Quadratic total current limit curve output contacts.
From an altitude of > 2000 m the curve is adjusted by -0.5° C / 100 m
(see example for 4000 m).
I ( mA )
50
40
30
20
10
0
10 20 30
S I = I + I
38 68
z.B. : I 35mA+15mA = 50mA
S =
I - current semiconductor output 38
38
I - current semiconductor output 68
68
Quadratic total current limit curve semiconductor monitoring outputs.
21
2
256A
°
T ( C)
40 50 60
M10699_c
over
2 2 2
2 2 2
°
T ( C)
40 50 60
M10797_a
UG 6970 / 08.07.19 en / 214A