100/180 mm PAPERLESS GRAPHIC RECORDER: USER GUIDE
User Guide
Page 141
HA028910
Issue 13 Sep 16
4.3.12 (Cont.) TOTALISER MODBUS ADDRESSING
RUN-TIME DATA
This table shows addresses for totaliser 1. Generally: totaliser N address = totaliser 1 a 3(N-1)
(decimal)
TOTALISER 1
Parameter
Description
Type
Access
Start Addr.
Register
Name
Hex (Dec)
Length
Value
Current process value (PV)
Scaled
Read/Write A3E6 (41958)
1
Status
Channel status
Enum
Read only
A3E7 (41959)
1
0 = Good PV
5 = Ranging error
1 = Channel off
6 = Overfl ow
2 = Over range
7 = Bad PV
3 = Under range
8 = No data
4 = Hardware error
Alarms
Alarm information
Uint16
-
A3E8 (41960)
1
Bit 0: 0 = Alarm 1 inactive; 1 = Alarm 1 active
Read only
Bit 1: 0 = No alarm 1 Ack. required; 1 = Ack. required
Read only
Bit 2: 1 = Acknowledge alarm 1
Read/Write
Bit 3: Spare
Bit 4: 0 = Alarm 2 inactive; 1 = Alarm 2 active
Read only
Bit 5: 0 = No Alarm 2 Ack. required; 1 = Ack. required
Read only
Bit 6: 1 = Acknowledge alarm 2
Read/Write
Bit 7: Spare
Bit 8: 0 = Alarm 3 inactive; 1 = Alarm 3 active
Read only
Bit 9: 0 = No alarm 3 Ack. required; 1 = Ack. required
Read only
Bit 10: 1 = Acknowledge alarm 3
Read/Write
Bit 11: Spare
Bit 12: 0 = Alarm 4 inactive; 1 = Alarm 4 active
Read only
Bit 13: 0 = No Alarm 4 Ack. required; 1 = Ack. required
Read only
Bit 14: 1 = Acknowledge alarm 4
Read/Write
Bit 15: Spare
IEEE 32-BIT CONFIGURATION DATA
The following table gives addresses for the specifi ed 32-bit fl oating-point values, for Totaliser 1. Gener-
ally, Parameter address for totaliser N = Parameter address for totaliser 1 + 36(N-1) (decimal).
TOTALISER 1
Parameter
Description
Type
Access
Start Addr.
Register
Name
Hex (Dec)
Length
Span high
Upper span value (Display full scale)
Float
Read only
ED83 (60803)
2
Span low
Lower span value (display ‘zero’)
Float
Read only
ED85 (60805)
2
Zone high
Zone upper value (% of ‘chart’ width)
Float
Read only
ED87 (60807)
2
Zone low
Zone lower value (% of ‘chart’ width)
Float
Read only
ED89 (60809)
2
Alarm 1 setpoint
Trigger setpoint for alarm 1 (see note)
Float
Read/Write ED8B (60811)
2
Alarm 2 setpoint
Trigger setpoint for alarm 2 (see note)
Float
Read/Write ED8D (60813)
2
Alarm 3 setpoint
Trigger setpoint for alarm 3 (see note)
Float
Read/Write ED8F (60815)
2
Alarm 4 setpoint
Trigger setpoint for alarm 4 (see note)
Float
Read/Write ED91 (60817)
2
Spare
ED93 (60819)
20
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.