To Terminate The Inverter Network; To Set The Center Inverters For The Network - Advanced Energy AE 75TX Installation And Operation Manual

Advanced Energy® AE ?STX and AE 1 OOTX Inverters
Table 6-1.
Maximum network length per Modbus bit rate
Maximum Network
Maximum Network
RS-4851 Modbus Bit Length Without
Length With Termination
Rate Termination in Meters
(Feet)
in Meters (Feet)
9600 bps 305 (1000) 1200 (4000)
19,200 bps
152 (500) 1200 (4000)
38,400 bps
76 (250) 1200 (4000)
57,600 bps
46 (150) 1200 (4000)
TO TERMINATE THE INVERTER NETWORK
If
bus tennination is desired and the inve1ter is on the end of the Modbus network,
you need to set the tennination.
• Verify that the J7 jumper is
in the
lower, NC position.
• Move the jumper to the upper pair of Jl l pins labeled Line.
• Verify that the J10 jumper is in the lower NC position.
Table
6-2. Termination enabled for end device
Termination Disabled Enabled
High (J7)
x
Line (Ill)
x
Low (JlO)
x
TO SET THE CENTER INVERTERS FOR THE NETWORK
Inve1ters
in the center of the network need the temrination
jumpers set to the disabled
position.
1. Verify that the J7 jumper is
in the lower NC position.
2. Verify that the Jl l jumper is in the lower NC position.
3. Verify that the J10 jumper is in the lower NC position.
Table 6-3.
No termination or biasing (default setting)
Termination Disabled Enabled
High (J7)
x
Line (Ill)
x
570-1001793-0SB
Data Monitoring and Controls
6-13