Pilz PSEN enc s2 eCAM - Manual (Page 28)

Installation / Preparation for commissioning
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Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Deutschland
Telefon +49 711 3409-0, Telefax +49 711 3409-133, E-Mail: [email protected]
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5.4 Cable specification
Signal Cable specification
Data+ / Data–
(RS422+ / RS422–)
Min. 0.25 mm 2 , shielded stranded pair
Clock+ / Clock–
(RS422+ / RS422–)
A+ / A–
Min. 0.25 mm 2 , shielded stranded pair
B+ / B–
Supply
+24 VDC / 0 V
Min. 0.5 mm 2 , shielded stranded pair
The maximum cable length depends on the SSI clock frequency and cable
composition and should match the table below.
Please note that an additional delay time t
v
(Data+/Data–) of approx. 6 ns should be
calculated per metre of cable.
SSI clock frequency
[kHz] 810 750 570 360 220 120 100
Cable length [m] Approx.
12.5
Approx.
25
Approx.
50
Approx.
100
Approx.
200
Approx.
400
Approx.
500