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14.6
Electrical Power Supply
Power supply
Overload protection
Current consumption
Power consumption
Excess voltage protection
Voltage drops
Non-fused ground conductor
Table 14.6-1:
14.7
Inputs
Restart/Reset
Zone pair changeover
Signal definition
High / logical 1
Low / logical 0
Table 14.7-1:
14.8
Outputs
Detection zone
Warning zone/dirt/
Fault
Load characteristics, maximum
Level high (OSSD active)
Level low (OSSD inactive)
Level high (alarm active)
Level low (alarm inactive)
Table 14.8-1:
Technical data – electrical power
Technical data – inputs
Technical data – outputs
+24 VDC +20 % / -30 %, supply according to
IEC 742 with safety transformer or comparable
for DC/DC converters
Provide by 1.25 A semi-delay fuse in the
electronics cabinet
approx. 300 mA (use a power supply with 2.5 A)
8 W at 24 V, plus the output load
Over-voltage protection with safe end cut-off
In accordance with DIN EN 61496-1
Connection not allowed
For connecting a command device for operating
mode "with restart interlock" and/or device reset,
dynamically monitored, 24 VDC, optically
isolated
For selecting among 4 zone pairs via 4 control
cables with internal monitoring (zone pair = 1
detection zone and 1 warning zone), 24 VDC,
optically isolated
16 ... 30 V
< 3 V
2x failsafe semiconductor output, PNP, max. 250
mA, short-circuit monitored, overload protected
2x PNP transistor output, max. 100 mA
Low pass behavior, limit frequency f
≤100 nF
C
Load
U
- 3.2 V
B
< 2.0 V
U
- 4 V
B
< 2.0 V
= < 1 kHz,
g
101
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