Eaton 93PM-L 20 – 60 kW (208V) UPS Installation and Operation Manual P-164000711—Rev 03
89
Table 26. External Parallel CAN and Pull Chain Terminal Block Terminations
Terminal
Function
Recommended
Minimum
Wire Size
Size of
Pressure
Termination
Tightening
Torque Nm (lb
in)
Type Screw
Comments
CAN
#18 AWG
#26–#16
0.4 (3.5) - 0.8
(7.1)
Slotted
Use shielded twisted-pair wires
with drain wire for each input
and return or common. Strip
wire insulation back
10 millimeters to wire terminal
blocks.
Pull Chain
Use twisted-pair wires for each
input and return or common.
Strip wire insulation back
10 millimeters to wire terminal
blocks.
Figure 42. External Parallel CAN Connections Between UPSs
Shielded Twisted Pair
with Drain line
Shielded Twisted Pair
with Drain line
Shielded Twisted Pair
with Drain line
External
Parallel
TB
External
Parallel
TB
External
Parallel
TB
External
Parallel
TB
Parallel
CAN Out
Parallel
CAN Out
Parallel
CAN Out
Termination
121 Ohm
Resistor
Termination
121 Ohm
Resistor
Parallel
CAN In
Parallel
CAN In
Parallel
CAN In
UPS 1
UPS 2
UPS 3
(If Installed)
UPS 4
(If Installed)
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
NOTE 1
External parallel CAN connections between UPS cabinets require shielded twisted pair
wire with drain wire.
NOTE 2
Terminations are 121 ohm 1% resistors installed in the terminal block in the first and last
UPS.
Summary of Contents for 93PM-L Series
Page 4: ......
Page 164: ...P 16400071103 P 164000711 03...
