beautypg.com

System configuration – Watlow 8LS Controller User Manual

Page 114

background image

106 8LS User’s Guide

Appendix B: 8LS-CP

System Configuration

The 8LS-CP uses a modified input with discreet components per carbon
input. Each CP input requires two loops. The 8LS-CP is factory
configured to contain between 1 to 4 CP loops. The unit must be ordered
for the number of CP inputs required per 8LS. Loops not used for the
CP input may be used as standard inputs.

The analog output of loops 7 and 8 can be used for recording analog
process signal representing the PV of loops 2 and 4 (carbon probe
inputs). This function is selected through the DIP Switch setting on the
CPU board. Position #4 must be On in order to use the PV recording
function.

Model

Number

Loop

#

Loop Function

8LS-CP-1

1
2

3, 4, 5, 6, 8

7

Ref. T/C for loop #2 probe temp

Carbon Probe input
Standard PID loops

Recording analog process signal representing

the PV of loop 2.

8LS-CP-2

1
2
3
4

5, 6

7

8

Ref. T/C for loop #2 probe temp

Carbon Probe input

Ref. T/C for loop #4 probe temp

Carbon Probe input
Standard PID loops

Recording analog process signal representing

the PV of loop 2.

Recording analog process signal representing

the PV of loop 4.

8LS-CP-3

1
2
3
4
5
6

7-8

Ref. T/C for loop #2 probe temp

Carbon Probe input

Ref. T/C for loop #4 probe temp

Carbon Probe input

Ref. T/C for loop #6 probe temp

Carbon Probe input
Standard PID loops

8LS-CP-4

1
2
3
4
5
6
7
8

Ref. T/C for loop #2 probe temp

Carbon Probe input

Ref. T/C for loop #4 probe temp

Carbon Probe input

Ref. T/C for loop #6 probe temp

Carbon Probe input

Ref. T/C for loop #8 probe temp

Carbon Probe input