Super Systems AC20 RS485 Modbus - Manual (Page 37)

Page 37/59
TITLE: MODBUS/J-BUS Protocol for SSi’s- AC20 ENG. 824E REV. 1
WORDS FOR DEVICE IN CONFIGURATION MODE - PARAMETERS
“Inpt.” - Menu Conf. 1 - MAIN/AUXILIARY INPUT CONFIGURATION
ADDRESS
(decimal) DEC. Display R
W
R
JBus Mod
Bus
DESCRIPTION FIGU-
RES
MNEM
CODE
E
A
D I
T
E
2001 2000 Line frequency
Range:
0 = 50 Hz
1 = 60 Hz
N.A. (“Ln.Fr”) x x
2002 2001 Primary variable selection
Range:
0 = Carbon potential as primary control
variable (the span limits are 0.00
to 2.00)
1 = Dew point as primary control variable
(the span limits are -100 to 100°F or
-75 to 40°C)
2 = Sensor output in mV as primary
control variable (the span limits are 0
to 1500 mV)
N.A. (“PV.SL”) x x
2003 2002 Time constant for filter on probe sensor
input (in seconds) 0 (“Pb.FL”) x x
2004 2003 Input type and range value for
temperature input
Range:
1 = TC K From -100 to 1370 °C
2 = TC S From - 50 to 1760 °C
3 = TC R From - 50 to 1760 °C
4 = TC K From -150 to 2500 °F
5 = TC S From - 60 to 3200 °F
6 = TC R From - 60 to 3200 °F
N.A. (“tP.In”) x x
2005 2004 Temperature input offset adjustment
(Value in Celsius or Fahrenheit as confi-
gured at Mbus word 2003) 0 (“OFSt”) x x
2006 2005 Time constant for filter on temperature
value (in seconds) 0 (“tP.FL”) x x
2007 2006 Auxiliary input function for carbon mono-
xide measurement
Range:
0 = Input not used
1 = Input used for CO measurement
N.A. (“CO.In”) x x
2008 2007 Auxiliary input type
Range:
0 = 0
÷
20 mA
1 = 4
÷
20 mA
2 = 0
÷
5 V
3 = 1
÷
5 V
4 = 0
÷
10 V
5 = 2
÷
10 V
N.A. (“CO.tP”) x x