Connecting Terminal Block Trunk Lines; Table 4-2 Maximum Cable Length For Trunk Lines - Siemens SIMATIC TI555 System Manual

Installing Remote I/O Cables (continued)
Connecting
Terminal
Block Trunk Lines
Cabling and Wiring the System
4-12
The cable that connects the terminal blocks is called a trunk line. See
Figure 4-2. The maximum trunk length depends on the cable type and
number of terminal blocks used in your installation. See Table 4-2.

Table 4-2 Maximum Cable Length for Trunk Lines

Number of
Terminal Blocks Terminal Blocks
2 – 5
6
7
8
9
10
11
12
13
14
15
16
17
*Figures in parentheses indicate distance in meters.
NOTE: Cable types 9860 and 9271 can be mixed on the trunk line, but cable
type 9182 must be used alone.
Maximum Distance in Feet (Meters)
(Belden Cables)
9860 cable 9271 cable
3300 (1006) 1100 (335)
3200 (975) 1067 (325)
3100 (945) 1033 (315)
3000 (914) 1000 (305)
2900 (884) 967 (295)
2800 (853) 933 (284)
2700 (823) 900 (274)
2600 (792) 867 (264)
2500 (762) 833 (254)
2400 (732) 800 (244)
2300 (701) 767 (234)
2200 (671) 733 (223)
2100 (640) 700 (213)
*
9182 cable
2200 (670)
2133 (650)
2067 (630)
2000 (610)
1933 (589)
1867 (569)
1800 (548)
1733 (528)
1667 (508)
1600(488)
1533 (467)
1467 (447)
1400 (427)
TI545/TI555 System Manual