Comet U0110G, Руководство пользователя

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IE-LGR-UxxxxM-23
57
the U0843M (U0843G) model, this input is able to catch
also the
„voltage applied/not applied“ states.
2 x counting input. This input, like the binary one, can be
configured to voltage or dry contact (as e.g. an open-
collector transistor). These counting inputs can be used
as additional two binary ones.
Input levels:
Binary or counter input configured for voltage
measurements:
Input voltage for the „L“ level: < 0.8 V
(*)
Input voltage for the „H“ level: > 2 V
Minimum applicable voltage: 0 V
Maximum applicable voltage: +30 V DC
(*)
When the input is disconnected, the device will
measure the „L“ level.
Binary or counter input configured for a dry contact or
an open-collector transistor:
Contact resistance for the „switched-on“ state:
< 10 kΩ
Contact resistance for the
“switched-off” state:
> 2 M
Ω
Excitation voltage: 57pprox.. 3 V
Minimum state duration necessary for latching
the state: 1s
Counter parameters:
Range: 24 bits (16 777 215), possibility of letting
the counter overflow
Maximum pulse frequency when configuring for:
- voltage input: max. 5 kHz
- dry contact or open collector transistor:
max. 200 Hz
Further features: relative counter (count of pulses
sensed during the recording interval)
Connection:
Pluggable terminal block, maximum wire cross section
1.5 mm
2
. The maximum cable length is 30 m. It is
recommended to use shielded cables.
CAUTION: The inputs are not galvanically isolated!
U8410M, U8410G ________________________________
Measured values:
Concentration of CO
2
in the air.