100/180MM DISTRIBUTED GRAPHIC RECORDER: USER GUIDE
HA029324
Issue 11 Oct 14
User Guide
Page 278
8.4.2 CHANNEL CONFIGURATION DATA (Cont.)
CHANNEL 2
Ch2 Span high
Upper span value (display full scale)
Scaled
Read only
011D (285)
1
Notes
1. For maths, totalisers and counters, see the relevant option description.
2. If an alarm’s Setpoint Source (
section 4.3.3
) is set to anything other than ‘Constant’ the value re-
turned will be the previously con
fi
gured constant value.
Parameter name
Description
Type
Access
Start Addr
Hex (Dec)
Register
Length
Ch2 Span low
Lower span value (display ‘zero’)
Scaled
Read only
011E (286)
1
Ch2 Zone high
Zone high value (two decimal places)
Scaled
Read only
011F (287)
1
Ch2 Zone low
Zone low value (two decimal places)
Scaled
Read only
0120 (288)
1
Ch2 PV type
Input type
Enum
Read only
0121 (289)
1
1 = Analogue input
3 = Totaliser
2 = Maths
4 = Counter
Ch2 Decimal places
Number of decimal places (0 to 9)
Uint16
Read only
0122 (290)
1
(used by all scaled parameters except where stated)
Ch2 Colour
Channel colour (0 to 55) (See
Annex B
for de
fi
nitions)
Enum
Read only
0123 (291)
1
Ch2 Units
Units string (up to
fi
ve characters)
String_5
Read only
0124 (292)
3
Spare
0127
(295)
2
Ch2 Open string
Open Digital Input string (up to eight characters)
String_8
Read only
0129 (297)
4
Spare
012D
(301)
4
Ch2 Close string
Closed Digital Input string (up to eight characters)
String_8
Read only
0131 (305)
4
Spare
0135
(309)
4
Ch2 Descriptor
Channel descriptor (up to 20 characters)
String_20
Read only
0139 (313)
10
Spare
0143
(323)
10
Ch2 No of alarms
Number of alarms on this channel (0 to 2)
Uint16
Read only
014D (333)
1
Ch2 PV format
Enum
Read only
014E (334)
1
0 = Numeric
1 = Digital strings
Spare
014F
(335)
60
Ch2 Alarm 1 enable
Alarm 1 enable
Enum
Read only
018B (395)
1
0 = Off
2 = Latched
1 = Unlatched
3 = Trigger
Ch2 Alarm 1 type
Alarm 1 type
Enum
Read only
018C (396)
1
0 = Absolute low
1 = Absolute high
2 = Deviation in
3 = Deviation out
4 = Rate of change rise
5 = Rate of change fall
Ch2 Alarm 1 setpoint
Trigger setpoint (Note 2)
Scaled
Read/Write 018D (397)
1
Spare
018E
(398)
10
Ch2 Alarm 2 enable
Alarm 2 enable (As alarm 1 enable, above)
Enum
Read only
0198 (408)
1
Ch2 Alarm 2 type
Alarm 2 type (As alarm 1 type, above)
Enum
Read only
0199 (409)
1
Ch2 Alarm 2 setpoint
Trigger setpoint (Note 2)
Scaled
Read/Write 019A (410)
1
Spare
019B
(411)
10
Ch2 Alarm 3 enable
Alarm 3 enable (As alarm 1 enable above)
Enum
Read only
01A5 (421)
1
Ch2 Alarm 3 type
Alarm 3 type (As alarm 1 type above)
Enum
Read only
01A6 (422)
1
Ch2 Alarm 3 setpoint
Trigger setpoint (Note 2)
Scaled
Read/Write 01A7 (423)
1
Spare
01A8
(424)
10
Ch2 Alarm 4 enable
Alarm 4 enable (As alarm 1 enable above)
Enum
Read only
01B2 (434)
1
Ch2 Alarm 4 type
Alarm 4 type (As alarm 1 type above)
Enum
Read only
01B3 (435)
1
Ch2 Alarm 4 setpoint
Trigger setpoint (Note 2)
Scaled
Read/Write 01B4 (436)
1
Spare
01B5
(437)
10
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