Electrical data – Burkert Type 8791 User Manual
Page 23

23
Technical Data
8.5.
electrical data
Connections
2 cable glands (M20 x 1.5) with screw-type terminals 0.14 – 1.5 mm
2
or
circular plug-in connector (M12, 8 pole plug)
Interfaces
Communications interface USB:
Direct connection to PC via USB adapter.
Communication with communications software based on FDT/DTM
technology.
An external adapter with integrated interface driver is required.
(see chapter “17. Accessories”)
Supply voltage
24 V DC ± 10% max. residual ripple 10%
Power consumption
< 3.5 W
Input resistance
for set-point value signal
180 Ω in 0/4 – 20 mA / Resolution 12 bit
Protection class
3 in accordance with VDE 0580
Analog position feedback
max. Burden (load)
for current output 0/4 – 20 mA)
560 Ω
Inductive proximity switches
100 mA current limit
Binary input
Not galvanically isolated
0 – 5 V = log “0”, 10 – 30 V = log “1”
inverted input in reverse order
(input current < 6 mA)
8.5.1.
electrical data with as-interface bus control
(optional)
Connections
circular plug-in connector (M12, 4 pole plug)
Supply voltage
29.5 V – 31.6 V DC (according to specification)
Units without external supply voltage:
Max. power consumption
150 mA
Units with external supply voltage:
External supply voltage
24 V ± 10 %
The supply voltage unit must
feature a secure disconnection in
accordance with IEC 364-4-41
(PELV or SELV)
Max. power consumption
100 mA
Max. power consumption
from AS-Interface
50 mA
english
Type 8791