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Communications Cable Specifications
Communications
0.14 to 1.5mm
*1
Cable Diameter
(28 - 16 AWG)
Conductor Type
Simple or Stranded Wire
Conductor
Length
*1
When inserting two wires into one terminal con-
nector, the simple wire diameter is 0.08 to
2
0.5mm
(28 - 22 AWG), and the stranded wire di-
ameter is 0.08 to 0.75mm
*2
If the Conductor's end (individual) wires are not
twisted correctly, the end wires may either short
against each other, or against an electrode.
Wiring the COM Interface Connector
• Always ensure that the connector has been
removed from the GP unit before wiring the con-
nector. Failure to do so may result in electric
shock.
(1) Use a flat-blade screwdriver (Size 0.4 X 2.5) to
loosen the terminal screws.
(2) Strip the communications cable, and attach it to
the terminal connector.
(1)
Use a flat-blade
screwdriver to
loosen the terminal
screws.
(2)
Insert the wire into the
terminal connector.
(3) Use a flat-blade screwdriver to tighten the
appropriate terminal screws on the terminal
connector from step 2.
• The torque required to tighten these screws is
0.196N•m (1.735[Lb•in]).
(4) Insert the connector into the GP unit's serial
interface.
2
*2
7mm
[0.28in]
2
(28 - 20 AWG).
(3)
Use a flat-blade
screwdriver to tighten
the terminal screws.
Terminal
Connector
RS-485 (isolation) type
D-Sub 9-pin socket type connector
Pin Connection
1
6
9
5
(GP unit side)
*1 The SG and FG terminals are isolated.
*2 When providing power of termination resistor via
the Siemens PROFIBUS, power cannot be con-
nected to the Device/PLC.
*3 The 5V output for Pin # 6 is not protected against
overcurrent.
Installations
1.
Installation Requirements
• For easier maintenance, operation, and improved
ventilation, be sure to install the GP at least
100mm [3.94in.] away from adjacent structures
and other equipment.
100
[3.94]
100
[3.94]
100
[3.94]
• Be sure that the surrounding air temperature and
the ambient humidity are within their designated
ranges. (Surrounding air temperature: 0 to 50°C,
Ambient humidity: 10 to 90%RH, Wet bulb
temperature: 39°C max.) When installing the GP
on the panel of a cabinet or enclosure,
"Surrounding air temperature" indicates both the
panel face and cabinet or enclosure's internal
temperature.
3
RS-485 (isolation) type
PIN #
Signal Name
1
NC
2
NC
3
LINE(+)
4
RS(RTS)
*1
5
SG
*2*3
6
5V
7
NC
8
LINE(-)
9
NC
*1
Shell
FG
Unit: mm [in.]
100
[3.94]
100
[3.94]
100
[3.94]
100
[3.94]
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