ELECTRICAL CONNECTIONS
76
MATRIX 220
ID-NET Cables
The following instructions are referred to Figure 52, Figure 53 and Figure 54.
• The general cable type specifications are: CAT5 twisted pair + additional CAT5
twiste
d pair, shielded cable AWG 24 (or AWG 22) stranded flexible.
We recommend using DeviceNet cables (drop or trunk type) to the following refer-
ence standards:
AN50325 – IEC 62026
UL STYLE 2502 80°C 30V
• Cable Shield MUST be connected to earth ground ONLY at the Master.
• NEVER use ID-NET cable shield as common reference.
• The ID-NET max cable length depends on the baudrate used, (see the Baudrate
Table
below).
• For Common Power Connections use only 2 wires (ID+ and ID-).
- DC Voltage Power cable (Vdc – GND) should be handled as a signal cable (i.e. do
not put it tog
ether with AC cable):
- Wire dimensioning must be checked in order to avoid voltage drops greater than
0.8 Vo
lts.
- Cable should lie down as near as possible to the ID-NET cable (avoiding wide
loops betw
een them).
• Reader's chassis may be connected to earth.
• Network inside the same building.
Baudrate Table
Baudrate 125 kbps 250 kbps 500 kbps 1 Mbps
Cable Length 1200 m 900 m 700 m *
* Application dependent, contact your Datalogic representative for details.
NOTE
The default ID-NET baudrate is 500 kbps. Lower ID-NET baudrates allow
longer cable lengths.
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