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CIPer
TM
MODEL 50 CONTROLLER
–
INSTALLATION AND COMMISSIONING INSTRUCTIONS
39
31-00233-02
Figure 31: Internal wiring of UI1-UI10 configured for input from NTC10k
Ω
/ NTC20k
Ω
/ voltage input
(with pull-up resistor)
Slow Binary Input Specifications
When configured as slow binary inputs, the universal inputs of the CIPer Model 50 have the following
specifications:
Open contact
≥ 100 k
Ω
Closed contact
≤ 100
Ω
The polarity (normal = N.O. contact or reverse = N.C. contact) configuration defines if a logical 1 or a logical 0
is detected for a closed contact. This is done by selecting (in WEBs N4) one of the following options:
Normal (default)
Closed external contact
→
state=1
Open external contact
→
state=0
Reverse
Closed external contact
→
state=0
Open external contact
→
state=1
Pulse Counter Specifications
Using WEBs N4, the universal inputs of the CIPer Model 50 can be configured as pulse counters (totalizers).
If the duty cycle is 50% / 50%, the pulse counter supports up to 0.4 Hz. Counting is done on the rising edge.
Table 12. UIs of CIPer Model 50 configured as slow BIs
Frequency
max. 0.4Hz
Pulse ON
min. 1.25s
Pulse OFF
min. 1.25s
Bounce
max. 50ms
200 k
25 k
10 VDC
V
i
GND