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16.3 BiSS Safety serial interface
Power supply
5 V ±10%
1.25 W maximum (250 mA @ 5 V)
NOTES:
1.
Current consumption figures refer to terminated
FORTiS-N FS systems. Renishaw encoder systems
must be powered from a 5 Vdc supply complying with the
requirements for PELV of standard IEC 60950-1.
2.
Over voltage protection ±10 V.
Ripple
200 mVpp maximum @ frequency up to 500 kHz
16.3.1 Output signals
Function
Signal
Flying lead
wire colour
(F)
Power
5 V
Brown
0 V
White
Serial interface
MA+
Violet
MA−
Yellow
SLO+
Grey
SLO−
Pink
Shield
Shield
Shield
42
FORTiS-N Functional Safety enclosed encoder system – original instructions
Pin-out
9-way D-type
8-way M12
15-way D-type
(A)
(S)
(D)
4, 5
2
4, 12
8, 9
5, 8
2, 10
2
3
8
3
4
15
6
7
5
7
6
13
Case
Case
Case
16.3.2 FORTiS-N FS grounding and shielding
– BiSS Safety
Encoder
Readhead cable
For maximum extension cable length please consult your local Renishaw representative.
1
IMPORTANT:
1.
The shield should be connected to the machine Earth (Field Ground).
2.
If the flying lead variant is used or the connector is modified or replaced, the customer must
ensure that both 0 V cores (white and green) are connected to 0 V. In such situations, care
should also be taken to ensure that 0 V and Earth remain properly insulated from each other
throughout the cable run.
3.
If the original termination supplied with the FORTiS-N FS encoder system is altered or a
non-Renishaw cable that is not approved is used, then it is the responsibility of the system
manufacturer to make sure the system is compliant with IEC 61800‑5‑2:2016 Electromagnetic
immunity requirement for safety related systems – Annex E, second environment.
Customer
electronics
Connector
Extension cable
1
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