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Wiring example 3
With an external safety relay, two-channel connection. This connection
is SIL2 capable (redundancy between STO channels).
11
12
21
22
XSTO1
PTC
XSTO
T1 T2
XFLT
FPTC
OUT
SGND
IN1
IN2
SLOT
1/2/3
X100
XSTO2
1
2
3 ~
Ex M
3
Control unit
1
External safety relay
2
Potentially explosive atmosphere
3
Electrical installation 45
Summary of Contents for FPTC-02
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Page 23: ... Layout 1 1 2 4 3 XSTO2 XSTO1 XWRN XFLT Retaining clips 1 Lock 2 Hardware description 23 ...
Page 28: ...28 ...
Page 37: ...2 3 1 4 Mechanical installation 37 ...
Page 38: ...38 ...
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Page 64: ...64 ...
Page 70: ...70 ...
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Page 89: ...Technical data 89 ...
Page 90: ...90 Technical data ...
Page 92: ...92 Technical data ...
Page 93: ...Check the latest version of the certificate in the ABB Library Technical data 93 ...