SM500F
Field mountable paperless recorder
Appendix B – Modbus TCP/Modbus 485
IM/SM500F Rev. Z
151
Alarm
Active/Inactive
Alarm Acknowledged
Alarm
Active/Inactive
Alarm Acknowledged
Read
Access
0 = Alarm inactive
1 = Alarm active
0 = Acknowledged or
inactive
1 = Active and
unacknowledged
Read
Access
0 = Alarm inactive
1 = Alarm active
0 = Acknowledged or
inactive
1 = Active and
unacknowledged
Write
Access
None
0 = No effect
1 = Acknowledge
Write
Access
None
0 = No effect
1 = Acknowledge
Alarm
Modbus Coil
Modbus Coil
Alarm
Modbus Coil
Modbus Coil
1.1A
0051
0101
2.1A
0067
0117
1.1B
0052
0102
2.1B
0068
0118
1.1C
0053
0103
2.1C
0069
0119
1.1D
0054
0104
2.1D
0070
0120
1.2A
0055
0105
2.2A
0071
0121
1.2B
0056
0106
2.2B
0072
0122
1.2C
0057
0107
2.2C
0073
0123
1.2D
0058
0108
2.2D
0074
0124
1.3A
0059
0109
2.3A
0075
0125
1.3B
0060
0110
2.3B
0076
0126
1.3C
0061
0111
2.3C
0077
0127
1.3D
0062
0112
2.3D
0078
0128
1.4A
0063
0113
2.4A
0079
0129
1.4B
0064
0114
2.4B
0080
0130
1.4C
0065
0115
2.4C
0081
0131
1.4D
0066
0116
2.4D
0082
0132
1.5A
0083
0133
2.5A
0091
0141
1.5B
0084
0134
2.5B
0092
0142
1.5C
0085
0135
2.5C
0093
0143
1.5D
0086
0136
2.5D
0094
0144
1.6A
0087
0137
2.6A
0095
0145
1.6B
0088
0138
2.6B
0096
0146
1.6C
0089
0139
2.6C
0097
0147
1.6D
0090
0140
2.6D
0098
0148
Table B.3 Alarm States