Tyco 4100U SPS IDNet Wiring, Continued, 6.Class A Wiring, Continued on next page

SPS IDNet Wiring, Continued

Class A Wiring	To connect addressable devices/detectors to the SPS IDNet using Class A wiring, read the
	following instructions.
	1.	Ferrite beads are required on the SPS IDNet cables (ref Fig 7.1).
	2.	Route wire (between 0.75 mm2 and 4 mm2) from the B+, B- outputs on TB1 of
		the SPS to the appropriate inputs on a peripheral IDNet device.
	3.	Route wire from the first IDNet device to the next one. Repeat for each device.
	4.	Route wire from the last IDNet device to the A+ and A- inputs on TB1 of the
		SPS.

IDNet

DEVICE

IDNet LOOP

(CLASS A / STYLE G)

IDNet

DEVICE

IDNet

DEVICE

Ferrite beads required.

		3		P1
			2
B+ B- SHLD A+ A-			1
	IDNet

Figure 7-6. Class A Wiring

Continued on next page

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