Rockwell Automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command - Manual (Page 21)

1–4 Network Layers
Publication 1770Ć6.5.16 - October 1996
Unlike a master/slave relationship, a floating master relationship
does not require the current master to poll each node to grant
permission to transmit. Therefore, it provides a more efficient
network because there is less overhead—i.e., time—per transaction.
RSĆ232ĆC link
(50 cableĆft. max.)
RSĆ232ĆC link
(50 cableĆft. max.)
DH+ link
1771ĆKG
PLCĆ2/30 processor
PLCĆ3 processor
cat. nos. 1775ĆKA or ĆS5
PLCĆ5/250 processor
5130ĆRM1
modem
modem
DH interface module
cat. nos. 1771ĆKE, ĆKF
PLCĆ2 family processor
cat. no. 1771ĆKA2
1770ĆKF2
1770ĆKF2
DH link
1785ĆKA
T60 industrial workstation running
ControlView software
personal computer
SC SC SC SC SC SC SC
SC = station connector; 1770ĆSC
modem
modem