Sigma SQM-160 manual Chapter Quick Start Rear Panel, Rear Panel Connections

Chapter 1 Quick Start

1.3Rear Panel

	Option A Card				Option B Card	Ground
						0	2
							2	0	1
						1	0
						1
3	4	5	6	Rate		Thick
Sensor 1	Sensor 2		RS-232		Relay I/O	Line Fuse
						Fuse 1/2 A SB at 120VAC
Manufactured By				Model No . SQM - 160		Fuse 1/4 A SB at 240VAC
S i g m a				Ser No .	80901
Σ instruments

	Rear Panel Connections
Sensor 1 & 2	Connection to quartz crystal sensor remote oscillator. See
	Section 1.4 for detailed hookup.
RS-232	Connection to computer serial port for programming and data
	acquisition.
Relay I/O	Connects 4 relays and 4 digital inputs to external equipment for
	process control. See Appendix C for connections.
Option A Card	Provides an additional four sensor measurement channels.
Option B Card	Provides two 0-5V analog outputs for rate and thickness
	readings.
Ground Terminal	Measurement ground terminal.
Voltage Selector	WARNING: Select 115V for 90-120VAC, 230V for 180-240VAC.
Line Fuse	WARNING: Replace line fuse only with a fuse of the specified
	type and rating.

Power Connector WARNING: Use removable power cords only of the specified type and rating.

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