DFE WebHandler 3 Instruction Manual page 70

Appendix F:
1. HOST/WEBHANDLER COMMANDS AND RESPONSES
$#a(+4)
$#A
$#C
$#d
$#F
$#G(+3)
$#I
Host Interface Commands & Responses
Set Auto setpoint
Host sets automatic set-point to be equal to the value contained in the following four bytes, where
the data format is:
"X.XX" when the full scale Range setting is between 1.00 and 9.99
"XX.X" when the full scale Range setting is between 10.0 and 99.9
"XXX." when the full scale Range setting is between 100. and 999. and
"XXXX" when the full scale Range setting is between 1000 and 9999.
WebHandler response:
%#A Command receipt acknowledged; command processed correctly
Go to Auto Mode
Host instructs WebHandler to go to Automatic control mode.
WebHandler response:
%#A Command receipt acknowledged; command processed correctly
Inquire controller mode (Manual / Auto)
WebHandler response:
%#C(+1) Controller mode is contained in the next byte, where "0" (48d) = Manual mode,
and "1" (49d) = Auto mode
Inquire roll diameter
Host inquires what the present roll diameter is.
WebHandler response:
%#d(+5) Roll diameter value is contained in the following five bytes, where the data
format is "XXX.X" (e. g. _25.4 represents 25.4 inches, centimeters, or other
units of distance measurement).
Turn Tension Off
Host instructs WebHandler to deactivate WebHandler output.
WebHandler response:
%#A Command receipt acknowledged; command processed correctly
Set Gain coefficient
Hosts sets gain (proportional of the PID) to be equal to the value contained in the following three
bytes, where the data format is "XXX" (e. g. 020 represents a gain value of 20).
WebHandler response:
%#A Command receipt acknowledged; command processed correctly
Status inquiry
Host inquires what the present controller status is.
WebHandler response:
%#I(+1) Controller status is contained in the following byte, where the value of each bit
within the byte is as follows:
XXXXXXXn: n = 0: Tension is Off,
XXXXXXnX: n = 0: Auto mode,
XXXXXnXX: n = 0: TLS Lo is inactive,
XXXXnXXX: n = 0: TLS Hi is inactive,
XXXnXXXX: n = 0: Ratio is inactive, n = 1: Ratio is active
XXnXXXXX: n = 0: Softstart is inactive,
XnXXXXXX: n = 0: ESTOP is inactive,
nXXXXXXX: Reserved
n = 1: Tension is On
n = 1: Manual mode
n = 1: TLS Lo is active
n = 1: TLS Hi is active
n = 1: Softstart is active
n = 1: ESTOP is active
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