Display Devices SE-B6-10 Soffit Series - Manual (Page 7)

01-07 7
tel: 303.412.0399 www.displaydevices.com
fax: 303.412.9346 [email protected]
5880 Sheridan Blvd., Arvada, Colorado 80003
Temperature Controller
OPTIONAL RS232 Interface
Hardware
Standard three pin hookup, 2,3,5, on DB9.
Baud rate 9600,N,8,1.
No handshaking.
Software
ASCII letters followed by a delimiter and carriage return (ASCII 13).
Commands from Host to Controller:
Command Description Example
Q Request Current Temperature Q
Axxx Set Fan Level 1 A078
Bxxx Set Fan Level 2 B083
Cxxx Set Alarm Level C090
Dxxx Set Power Cutoff Level D100
xxx-temperature Carriage Return (13)
Communications from Controller to Host:
Command Description Example
T xxx Current Temperature T 073
G Fan Level 1 On G
H Fan Level 2 On H
I Alarm On I
J Power has been switched off J
S (O,C) Door Switch is Open/Closed SO SC
M Motion Sensor Tripped
M
K Received Set command, Executed OK K
X Can not understand Command X
xxx-temperature Carriage Return (13)
Notes:
All temperatures are in Fahrenheit.
Host program to convert to Celsius if required.
G,H,I,J are sent every few seconds when those levels have been tripped.
S is sent upon change of state.
M is sent upon shock sensor being tripped.
Temperature set range is from 1 to 190°, Fahrenheit.
Return temperature has a space after the „T‟ if positive, a – if negative.
Return temperature range is –140° to +190°.