HA20 2-Channel Controller
HA20 Technical Manual
3-7
3.2.1 Modbus Register And Function Code
Summary
The following table identifies HA20 Modbus register locations and
function codes.
VARIABLE
ALIAS
READ
FUNCTION
CODE
WRITE
FUNCTION
CODE
Read/Write Coils:
Alarm Ack/Reset 2001
1
5
NOTE:
After writing a TRUE to this register, the HA20/40 will reset it to FALSE.
Read Only Discrete:
Chan 1 Alarm 1
12001
2
NA
Chan 1 Alarm 2
12002
2
NA
Chan 1 Alarm 3/Flt
12003
2
NA
Chan 2 Alarm 1
12004
2
NA
Chan 2 Alarm 1
12005
2
NA
Chan 2 Alarm 3/Flt
12006
2
NA
Relay 1
12007
2
NA
Relay 2
12008
2
NA
Read Only Registers:
A2D Raw Chan 1
31001
4
NA
A2D Raw Chan 2
31002
4
NA
10 bit value representing the A2D value of 0 to 1023 for -25 to 103 %FS
(197=0% & 1003=100%).
D2A Chan 1
31003
4
NA
D2A Chan 2
31004
4
NA
10 bit value representing the D2A value of 0 to 1023 after all cal features
are applied.
Chan 1 Status
31005
4
NA
Chan 2 Status
31006
4
NA
16 bit status word bit assignment for each channel.
ALARM1_BELOW_BIT
ALARM2_BELOW_BIT
ALARM3_BELOW_BIT
ALARM1_LATCH_BIT
ALARM2_LATCH_BIT
ALARM3_LATCH_BIT
ALARM3_ACTIVE_BIT
CHANNEL_DISABLED_BIT
CHANNEL_CAL_BIT
BIT0
BIT1
BIT2
BIT3
BIT4
BIT5
BIT6
BIT7
BIT8
System Status Word
31007
4
NA
16 bit status word bit assignment for system status.
PIEZO_DRIVE
HORN_ACK
K1_HORN_DRIVE
K2_HORN_DRIVE
K1_HORN_PULSE
K2_HORN_PULSE
K1_FAILSAFE
K2_FAILSAFE
K2_ACK
LOCK
BIT6
BIT7
BIT8
BIT9
BIT10
BIT11
BIT12
BIT13
BIT14
BIT15
Alarm Status Word
31008
4
NA
16 bit status word bit assignment for system status.
Summary of Contents for HA20
Page 6: ...HA20 2 Channel Controller HA20 Technical Manual v ...
Page 7: ...HA20 2 Channel Controller HA20 Technical Manual 1 1 1 General Description ...
Page 12: ...HA20 2 Channel Controller HA20 Technical Manual 2 1 2 Operation ...
Page 22: ...HA20 2 Channel Controller HA20 Technical Manual 3 1 3 Motherboard Interface PCB ...
Page 30: ...HA20 2 Channel Controller HA20 Technical Manual 3 9 ...
Page 31: ...HA20 2 Channel Controller HA20 Technical Manual 3 10 ...
Page 32: ...HA20 2 Channel Controller HA20 Technical Manual 4 1 4 Enclosures ...
Page 35: ...HA40 4 Channel Controller HA40 Technical Manual 5 1 5 Parts List ...
Page 37: ...HA20 2 Channel Controller HA20 Technical Manual 6 1 6 Specifications ...
Page 39: ...HA20 2 Channel Controller HA20 Technical Manual 7 1 7 Warranty ...