Specifications are subject to change without notice (28.10.05)
1
Product Description
DHA52
is
a
grammable timer to allow
execution of self-designed
timing functions. The func-
tion can be prepared using
the free PC software BHF
and connecting the unit to a
PC. The user can decide to
Ordering Key
Housing
Function
Type
Item number
Output
Power supply
Time steps
fully
pro-
leave to the front knob for
final setting the adjustment
of one of the time steps.
For mounting on DIN-rail.
17.5 mm wide housing suit-
able both for back and front
panel mounting.
Fully programmable timing unit
The function is designed with the BHF PC software
Waveform design capability:
up to 16 status changes
each status time range 0.1 s to 100 h
programable trigger input event
time steps can be set from the front knob
Full reprogrammability of the timing functions
Repeatability:
≤
0.2%
Output: 5 A SPDT relay
For mounting on DIN-rail in accordance with DIN/EN 50 022
17.5 mm DIN-rail housing
Combined AC and DC power supply
LED indication for relay status and power supply ON
Output
Rated insulation voltage
Contact Ratings
(AgSnO
)
Resistive loads
SPDT relay
250 VAC (rms)
μ
5 A @ 250 VAC
5 A @ 24 VDC
2.5 A @ 250 VAC
2.5 A @ 24 VDC
≥
30 x 10
6
operations
≥
10
5
operations
(at 5 A, 250 V, cos
= 1)
< 7200 operations/h
AC 1
DC 12
Small inductive loads AC 15
DC 13
Mechanical life
Electrical life
Operating frequency
Dielectric strength
Dielectric voltage
Rated impulse withstand
voltage
2 kVAC (rms)
2.5 kV (1.2/50 μs)
Output Specifications
Type Selection
Mounting
Output
Housing
Supply: 24 VDC and 24 to 240 VAC
DIN-rail
SPDT
Mini-D
DHA 52 C M24 S16
Time Specifications
Time ranges
each step
0.1 to 1 s
1 to 100 s
6 to 600 s
60 to 6000 s
0.1 to 10 h
1 to 100 h
Setting accuracy
(fixed steps)
≤
0.1% +/- 10 ms of the set
value for each step
≤
5%
≤
0.2%
(knob step)
Repeatability
Time variation
Within rated power supply
Within ambient temperature
Reset
Manual reset of time
and/or relay
Pulse duration
Power supply interruption
≤
0.05%/V
≤
0.2%/°C
Close the trigger contact
between pins A1 and Y1
≥
100 ms
≥
200 ms
Timers
Fully programmable
Type DHA52
DHA 52 C M24 S16
Power supply
Rated operational voltage
through terminals A1, A2
Overvoltage cat. II
(IEC 60664, IEC 60038)
24 VDC ± 15% and
24 to 240 VAC + 10% -15%,
45 to 65 Hz
≤
10 ms
1.5 W
Voltage interruption
Rated operational power
Supply Specifications