Super Systems AC20 RS485 Modbus - Manual (Page 48)

Page 48/59
TITLE: MODBUS/J-BUS Protocol for SSi’s- AC20 ENG. 824E REV. 1
INDEX, DIVIDED IN FAMILIES AND GROUPS, OF MODBUS WORDS
Words For Device In Control Mode - Parameters
Menu group 1 – Set point values
138 - Main set point ("SP") page 18
139 - Auxiliary set point 2 (“SP2”) page 18
140 - Auxiliary set point 3 (“SP3”) page 18
141 - Auxiliary set point 4 (“SP4”) page 18
142 - Carbon monoxide factor ("COF") page 18
143 - Hydrogen factor ("H2F") page 18
Menu group 3 - Alarm threshold and hysteresis value
177 - Alarm 1 threshold ("AL1") page 18
178 - Alarm 2 threshold ("AL2") page 18
179 - Alarm 3 threshold ("AL3") page 18
181 - Band alarm 1 threshold low ("bA1.L") page 18
182 - Band alarm 1 threshold high ("bA1.h") page 18
183 - Band alarm 2 threshold low ("bA2.L") page 18
184 - Band alarm 2 threshold high ("bA2.h") page 18
185 - Band alarm 3 threshold low ("bA3.L") page 18
186 - Band alarm 3 threshold high ("bA3.h") page 18
191 - Alarm 1 hysteresis ("HSA1") page 18
192 - Alarm 2 hysteresis ("HSA2") page 18
193 - Alarm 3 hysteresis ("HSA3") page 18
Menu group 4 - Control parameters
148 - Proportional band ("Pb") page 19
149 - Hysteresis for on/off control mode ("HYS") page 19
150 - Integral time ("ti") page 19
151 - Derivative time ("td") page 19
152 - Integral pre-load ("IP") page 19
153 - Relative secondary output gain ("r.Gn") page 19
154 - Dead band/overlap between main/secondary output ("OLAP") page 19
Menu group 5 - Auxiliary control parameters
1000 - Anti-reset windup ("ArU") page 20
1003 - Main control output low limit ("ñ.OLL") page 20
1004 - Main control output high limit ("ñ.OLH") page 20
1005 - Main control output max rate of rise ("ñ.rñP") page 20
1006 - Proportional cycle time on main control output ("ñC.CY") page 20
1007 - Secondary control output low limit ("S.OLL") page 20
1008 - Secondary control output high limit ("S.OLH") page 20
1009 - Secondary control output max rate of rise ("S.rñP") page 20
1010 - Proportional cycle time on secondary control output ("SC.CY") page 20
1011 - Set point low limit ("rL") page 20
1012 - Set point high limit ("rH") page 20
1013 - Rate of change for positive set point variation ("Grd1") page 20
1014 - Rate of change for negative set point variation ("Grd2") page 20
1016 - External control of auto/man function ("E.Añ") page 20