Internal Sensor Supply, Single- Or Two-Channel, 2-Wire; Internal Sensor Supply, Single- Or Two-Channel, 3-Wire; Figure 30: Connection Example: Internal Sensor Supply, 2-Wire; Figure 31: Connection Example: Internal Sensor Supply, 3-Wire - WAGO 753-668/000-004 Manual
4fai 0/4-20 ma diff profisafe, fail-safe 4-channel analog input, 0/4-20 ma, differential inputs, profisafe for wago-i/o-system 750 series
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88
Connect Devices
7.3.1
Internal Sensor Supply, Single- or Two-Channel, 2-Wire
With single-channel use, using the displayed connection variant a risk reduction
by max. PL d and max. SIL2 can be achieved.
With two-channel use, using the displayed connection variant a risk reduction by
max. PL e and max. SIL3 can be achieved.
Figure 30: Connection Example: Internal Sensor Supply, 2-Wire
7.3.2
Internal Sensor Supply, Single- or Two-Channel, 3-Wire
With single-channel use, using the displayed connection variant a risk reduction
by max. PL d and max. SIL2 can be achieved.
With two-channel use, using the displayed connection variant a risk reduction by
max. PL e and max. SIL3 can be achieved.
Figure 31: Connection Example: Internal Sensor Supply, 3-Wire
Manual
Version 1.0.0, valid from HW/SW Version 01/01
753-668/000-004 4FAI 0/4-20 mA Diff PROFIsafe
WAGO-I/O-SYSTEM 750
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