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Appendix C
Modbus Coils, Discrete Inputs, Input Registers & Holding Registers Address Tables
Holding Registers
Function
code Modbus base 0
address Modbus
5 digit address Value
(Read/Write*)
Description Note
62 40063 SIPOD 23 - Status word (See “SIPOD Status”) (Read Only)
63 40064 SIPOD 24 - Status word (See “SIPOD Status”) (Read Only)
64 40665 SIPOD 25 - Status word (See “SIPOD Status”) (Read Only)
65 40066 SIPOD 26 - Status word (See “SIPOD Status”) (Read Only)
66 40067 SIPOD 27 - Status word (See “SIPOD Status”) (Read Only)
67 40068 SIPOD 28 - Status word (See “SIPOD Status”) (Read Only)
68 40069 SIPOD 29 - Status word (See “SIPOD Status”) (Read Only)
69 40070 SIPOD 30 - Status word (See “SIPOD Status”) (Read Only)
70 40071 SIPOD 31 - Status word (See “SIPOD Status”) (Read Only)
71 40072 SIPOD 32 - Status word (See “SIPOD Status”) (Read Only)
72 40073 SIPOD 33 - Status word (See “SIPOD Status”) (Read Only)
73 40074 SIPOD 34 - Status word (See “SIPOD Status”) (Read Only)
74 40075 SIPOD 35 - Status word (See “SIPOD Status”) (Read Only)
75 40076 SIPOD 36 - Status word (See “SIPOD Status”) (Read Only)
76 40077 SIPOD 37 - Status word (See “SIPOD Status”) (Read Only)
77 40078 SIPOD 38 - Status word (See “SIPOD Status”) (Read Only)
78 40079 SIPOD 39 - Status word (See “SIPOD Status”) (Read Only)
79 40080 SIPOD 40 - Status word (See “SIPOD Status”) (Read Only)
80 40081 SIPOD 41 - Status word (See “SIPOD Status”) (Read Only)
81 40082 SIPOD 42 - Status word (See “SIPOD Status”) (Read Only)
82-103 … Reserved
104 40105 I/O Board Milliseconds Timer (0-60000) (Read Only)
105 40106 I/O Board Minutes Timer (0-65000) (Read Only)
106 40107
Number of fl ash writes of parameters since the last complete
program reload (from JTAG)
107 40108 Analog Output 1 Linear Correction (0-2048; default 0)
108 40109
Analog Output 1 Voltage Percentage Correction (0-100;
default 0)
109 40110 Analog Output 2 Linear Correction (0-2048; default 0)
110 40111
Analog Output 2 Voltage Percentage Correction (0-100;
default 0)
111 40112 Reserved
112 40113 Reserved
113 40114
Position of Manual Override Switch (1 - All On, 2 - All Off,
3 - Auto)
114 40115 Reserved
115 40116 I/O Board Control Word (See “IO Board Control Word” page #)
116 40117 Hysteresis for Analog Input 1 (0-2048; default 100)
117 40118 Epsilon for Analog Input 1 (0-2048; default 8)
118 40119 I/O Board Software Version (Read Only)
119 40120
I/O Board Hardware version (Read Only) (Note: value will be
0 or 3 and onwards)
120 40121
IO Board Modbus Address (Read Only) The address will be set
through S4, S5 rotary switch. It is read/ write unless otherwise
the address switch is not present. Factory default setting is 126
(7 & E positions on rotary switches)
121 40122
Baud Rate (default 19200, can be set to 9600, 19200, 38400
or you can use an enumeration: 1-9600, 2-19200, 3-38400,
4-76800, 5-115200)
122 40123 Parity (0-none, 1-odd, 2-even; default is 0)
123 40124 Number of stop bits (default 1)
124 40125 IO Board Number of errors in communications
125-255 … Reserved
256 40257
Output Group (Zone) defi nition 1
(see “Output Group Defi nitions” page #)
257 40258 Output Group (Zone) defi nition 2