Acu-Rite 150 manual Senc Electrical Specifications, Output Signals

SENC 150									Electrical Specifications
	Parameter			Digital				Analog
Output Signals		IOH=(High level output current) = 20mA
		VOH=(High level output voltage) >2.5Vdc					0° 90°	360°
			0°	360°						IA, B:7-16 µApp
		Channel A+	1	Channel R+		1	Channel B				or
			0			0	Channel A				1.0 Vpp
		Channel A-	1			1
				Channel R-
			0			0
			90°							IR:2-8 µApp
		Channel B+	1		1 Count
							Channel R				or
			0		(Phased)						1.2 Vpp
		Channel B-	1
			0
			–
		IOL=(Low level output current) = -20mA
		VOL=(Low level output voltage) < 0.6Vdc
Incremental signals		Square-wave voltage signals.					Similar phasing, but differential
		Channels A and B, in 90°					sinusoidal current or 1 volt peak to peak
		quadrature relationship					7-16µAppor 1.0 Vpp output
Signal levels
		TTL-level					w/1 K Ohm load
Reference Mark signals		Square-wave pulse					Differential current	or 1 volt peak to peak
Signal level							2-8µAppor 1.2 Vpp output
		TTL-level					w/100 K Ohm load
Power Supply		5.1 ± 0.1 VDC @ 220 mA max.					5.0 ± 0.1 VDC @ 75 mA max.
				19							ACU-RITE®

516291-21_Ve00_SENC_150.indd 21

10/22/2009 10:00:47 AM