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.

1-3

Page 8
Image 8
Sigma SQM-160 manual Chapter Quick Start Rear Panel, Rear Panel Connections