User's Manual Part 1

Table 2-7 House keeping input Items

House keeping Item

displayed

on LCT/PNMT

Condition Event Indication

Summarized Alarm Input

(Photo coupler)

IN1 IN2 IN3 IN4 IN5 IN6

1 HK-IN1 House keeping Event inport1 Only show PNMT

2 HK-IN2 House keeping Event inport2 Only show PNMT

3 HK-IN3 House keeping Event inport3 Only show PNMT

4 HK-IN4 House keeping Event inport4 Only show PNMT

5 HK-IN5 House keeping Event inport5 Only show PNMT

6 HK-IN6 House keeping Event inport6 Only show PNMT

7 Cluster ALM input1 This item transmits to opposite site. Item 1 Only show PNMT

8 Cluster ALM input2 This item transmits to opposite site. Item 2 Only show PNMT

9 Cluster ALM input3 This item transmits to opposite site. Item 3 Only show PNMT

10 Cluster ALM input4 This item transmits to opposite site. Item 4 Only show PNMT

SYSTEM CONFIGURATION AND CHARACTERISTICS ROI-S05748

2-22

Note 1: Unused channel/interface is masked according to the bit rate.

Note 2: In the 2-WAY mode, Cluster ALM is transmitted in parallel for DIR-A

and DIR-B.

Normally Open

Control Closed

+3.3 V

Input Port condition

Normal OPEN (> 200 k ohms)

Control CLOSE (< 50 ohms)

Interface circuit: photo coupler with bias circuit