JZ20-T40/JZ20-J-T40
Unitronics 3
Wiring Procedure
Use crimp terminals for wiring; use 3.31 mm² –0.13 mm² wire (12-26 AWG):
1. Strip the wire to a length of 7±0.5mm (0.270–0.300“).
2. Unscrew the terminal to its widest position before inserting a wire.
3. Insert the wire completely into the terminal to ensure a proper connection.
4. Tighten enough to keep the wire from pulling free.
Wiring Guidelines
Use separate wiring ducts for each of the following groups:
Group 1: Low voltage I/O and supply lines, communication lines.
Group 2: High voltage Lines, Low voltage noisy lines like motor driver outputs.
Separate these groups by at least 10cm (4"). If this is not possible, cross the ducts at a 90˚angle.
For proper system operation, all 0V points in the system should be connected to the system 0V
supply rail.
Allow for voltage drop and noise interference with input lines used over an extended distance. Use
wire that is properly sized for the load.
Earthing the JZ20-T40/JZ20-J-T40
To maximize system performance, avoid electromagnetic interference as follows:
Use a metal cabinet.
Connect the 0V terminal directly to the earth ground of the system.
Use the shortest, less than 1m (3.3 ft.) and thickest, 2.08mm² (14AWG) min, wires possible.
This model comprises a total of 20 inputs in 3 groups.
1. I0 to I15 are digital inputs. They may be wired, in a group, as either npn or pnp.
2. I16 and I17 may be wired as either digital or analog inputs. These may be wired as either:
npn digital inputs
pnp digital inputs
analog (voltage) inputs
In addition, 1 input may be wired as a pnp input, while the other is wired as an analog input.
Note that if 1 input is wired as an npn input, the other may not be wired as an analog input.
3. AN0 and AN1 are analog (current) inputs that may be wired using 2, 3, or 4 wires.
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