Emerson 400518-01 Sync Input Connector J10, 1 2 3 5 6 7, STI-SNCI Interface Board

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Sync Input Connector (J10)

Sync Input signals are connected to the drive using the 9-pin Sync Input connector.

If interfacing the drive using field wiring, the optional standard terminal interface board (STI-SNCI) may be used.

1 2 3 4

5 6 7 8

Figure 31:	STI-SNCI Interface Board
		J10 Connector		Function
			Pin#
			1	Encoder A
			2	Encoder A/
			3	Encoder B
			4	+ 5 Vdc
			5	Encoder B/
			6	Encoder Z
			7	Encoder Z/
			8	Logic Common
			9	NC

Figure 32:Analog Input Connector (J10) Functions

Function	Pin Number	Electrical Characteristics
Encoder In	1, 2, 3, 5, 6, 7	Differential line driver input (RS 422)
5 Vdc	4	+5 Vdc supply voltage
Ground	8	Logic Common

The Sync Input power meets EMC emissions and immunity for cables longer than 3 meters [10 ft], when using a shielded cable. When a remote encoder is user, cable length may be limited by encoder supply voltage drop, and should not exceed 200 ft [60 m].

Installation 31