100/180 mm PAPERLESS GRAPHIC RECORDER: USER GUIDE
HA028910
Issue 13 Sep 16
User Guide
Page 144
4.3.13 COUNTERS (Cont.)
COUNTER MODBUS ADDRESSING
For units fi tted with the Modbus TCP comms option, the table below gives addresses for counter 1
confi guration data. Generally: Counter N parameter address = counter 1 parameter a 162 (N-1)
(decimal). For full details of the Modbus implementation, see
section 8
.
COUNTER CONFIGURATION DATA
COUNTER 1
Note: If the setpoint source for an alarm (
section 4.3.3
) is set to anything other than ‘Constant’, the
value returned is the previously confi gured constant value.
Parameter
Description
Type
Access
Start Addr.
Register
Name
Hex (Dec)
Length
Span high
Upper span value (display full scale)
Scaled
Read only
8EDD (36573)
1
Span low
Lower span value (display ‘zero’)
Scaled
Read only
8EDE (36574)
1
Zone high
Zone high value (two decimal places)
Scaled
Read only
8EDF (36575)
1
Zone low
Zone low value (two decimal places)
Scaled
Read only
8EE0 (36576)
1
PV type
Input type
Enum
Read only
8EE1 (36577)
1
1 = Analogue input
3 = Totaliser
2 = Maths
4 = Counter
Decimal places
Number of decimal places (0 to 9)
Uint16
Read only
8EE2 (36578)
1
(used by all scaled parameters except where stated)
Colour
Channel colour (0 to 55) (See
Annex B
for RGB defi nitions) Enum
Read only
8EE3 (36579)
1
Units
Units string (up to fi ve characters)
String_5
Read only
8EE4 (36580)
3
Spare
8EE7 (36583)
2
Open string
Open Digital Input string (up to eight characters)
String_8
Read only
8EE9 (36585)
4
Spare
8EED (36589)
4
Close string
Closed Digital Input string (up to eight characters)
String_8
Read only
8EF1(36593)
4
Spare
8EF5 (36597)
4
Descriptor
Channel descriptor (up to 20 characters)
String_20
Read only
8EF9 (36601)
10
Spare
8F03 (36611)
10
No of alarms
Number of alarms on this channel
Uint16
Read only
8F0D (36621)
1
PV format
Enum
Read only
8F0E (36622)
1
0 = Numeric
1 = Digital strings
Spare
8F0F (36623)
60
Alarm 1 enable
Alarm 1 enable
Enum
Read only
8F4B (36683)
1
0 = Off
2 = Latched
1 = Unlatched
3 = Trigger
Alarm 1 type
Alarm 1 type
Enum
Read only
8F4C (36684)
1
0 = Absolute low
1 = Absolute high
2 = Deviation in
3 = Deviation out
4 = Rate of change rise
5 = Rate of change fall
Alarm 1 setpoint
Trigger setpoint (see note)
Scaled
Read/Write 8F4D (36685)
1
Spare
8F4E (36686)
10
Alarm 2 enable
Alarm 2 enable (As alarm 1 enable above)
Enum
Read only
8F58 (36696)
1
Alarm 2 type
Alarm 2 type (As alarm 1 type above)
Enum
Read only
8F59 (36697)
1
Alarm 2 setpoint
Trigger setpoint (see note)
Scaled
Read/Write 8F5A (36698)
1
Spare
8F5B (36699)
10
Alarm 3 enable
Alarm 3 enable (As alarm 1 enable above)
Enum
Read only
8F65 (36709)
1
Alarm 3 type
Alarm 3 type (As alarm 1 type above)
Enum
Read only
8F66 (36710)
1
Alarm 3 setpoint
Trigger setpoint (see note)
Scaled
Read/Write 8F67 (36711)
1
Spare
8F68 (36712)
10
Alarm 4 enable
Alarm 4 enable (As alarm 1 enable above)
Enum
Read only
8F72 (36722)
1
Alarm 4 type
Alarm 4 type (As alarm 1 type above)
Enum
Read only
8F73 (36723)
1
Alarm 4 setpoint
Trigger setpoint (see note)
Scaled
Read/Write 8F74 (36724)
1
Spare
8F75 (36725)
10