43
SET COLL-AVOID-US
N (usecs)
• USED WITH “FIXEDRTS” FLOW CONTROL ONLY.
• IF NON-ZERO, TRANSMITTER WILL WAIT UP TO N
MICROSECONDS FOR DCD TO GO LOW BEFORE
TRANSMITTING.
• USEFUL FOR IMPLEMENTING COLLISION-AVOIDANCE
WITH “DUMB” RADIO-MODEMS.
• IMPLEMENTED INTERNALLY IN MULTIPLES OF 208 MICROSECONDS.
0
SET NHALFBYTES
N (halfbytes)
• MODIFIES MODBUS/RTU AND DF1 SERIAL RECEPTION BEHAVIOR.
DURING DATA PACKET
RECEPTION, AFTER “N” HALF-BYTE TIME
PERIODS HAVE ELAPSED WITH NO FURTHER DATA RECEIVED, THEN
END-OF-PACKET IS ASSUMED. DOES NOT AFFECT MODBUS/ASCII OR
ADAM-4000 RECEPTION BEHAVIOR.
• MODIFYING THIS SETTING MAY IMPROVE RECEPTION RELIABILITY
WHEN USING AN UNCONDITIONED (EG. BELL-202) RADIO-MODEM.
7
( MODBUS/RTU
DEFAULT = 7,
EQUIVALENT TO 3.5
BYTE TIMES )
Summary of Contents for EtherMeter EM-100
Page 2: ......
Page 38: ...36 Setup Screen 2 of 8 Serial Port Setup Setup Screen 3 of 8 Networking Setup...
Page 39: ...37 Setup Screen 4 of 8 Auxiliary I O Setup Setup Screen 5 of 8 Interface Setup...
Page 41: ...39 Setup Screen 8 of 8 Meter Read Diagnostics...
Page 79: ...This Page Intentionally Blank...
