Yokogawa JUXTA M Series Digital Limit Alarms MVTK - Manual (Page 66)

7-2
<Toc> <Ind> <7. Functions and Usage of I Relays >
IM 77J04J11-01E 1st Edition : 2006.08.25-00
7.1 Status
The following table shows how the I relays are classified.
I-Relay No. Type of Status Description
1 to 16 Error information (same contents as those of D0001)
Alarm status (same contents as those of D0002)
33 to 64
17 to 32
User area (that is used in some devices such as
graphic panels)
ON/OFF
CAUTION
• The I relays numbered 1 to 32 store ON/OFF statuses. Generally, this area can be
accessed to read the ON/OFF statuses.
• When specifying an I relay number via communication, begin the number with an
upper-case letter I. For example, type I0001 to specify the alarm-1 status (I relay
number: 1).
• No data may be written into or read from data storage areas with blank fields in the
table below. If you attempt to do so, the M Series may fail to operate normally.
I-Relay No.
I-Relay Area
Description
3
2 Alarm-2 status
1 Alarm-1 status
Alarm-2 status
Alarm-1 status
Alarm-4 status
Alarm-3 status
5 Input exceeding high limit
Input falling below low limit
4
7 Burnout
6
9
8
RJC error
EEP error
11 Parameter error
10 EEP sum error
13
12
15
14
17
User area
16
18
20
19
21
22
33 to 64
23 to 32