OHAUS RANGER 7000 Manual De Instrucciones página 6

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Discrete I/O Interface
CONNECTION

INPUT
The discrete I/O interface enables other devices such as PLCs to provide the trigger voltage (typically
12 VDC or 24 VDC, maximum 30 VDC) to turn the inputs "on".
An example of wiring to the inputs with the +V to the common is shown:
Note:
1. Voltage: 5~30 VDC, 10 mA maximum current. Voltage polarity cannot be reversed.
2. Do not bundle input wiring with power wiring or any other high energy cables.
3. Wire size: 18 AWG (0.832 mm
24 AWG (0.205 mm

OUTPUT
The four dry-contact normally open relay outputs can switch up to 250 VAC or 30 VDC voltages at 1A
maximum.
The relay outputs are not polarity-sensitive since they are dry contact outputs.
An example of wiring to the outputs is given below:
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Notes:
1. Dry contact relays.
2. Relay contact rating:
AC: 24-250 VAC, 1.0 AMP. INTO resistive load.
DC: 5-45 VDC ,1.0 AMP. INTO resistive load.
Maximum switching power: 250VA, 30 W.
3. Maximum output circuit current = 3 AMPS.
4. All inductive loads must be suppressed.
5. Wire size: 18 AWG (0.832 mm
24 AWG (0.205 mm
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