Date Code Code 20010518 Installation 3-11
SEL-2020 Instruction Manual
Configure the Inputs for 48 V, 125 V or 250 V
You may reconfigure the inputs by changing jumpers on the edge of the board near the inputs
and outputs. Table 3.5 and Figure 3.3 show the jumper positions required to configure the inputs
for 30-60 Vdc, 80-150 Vdc, or 150-300 Vdc. If your device has a 125-250 V power supply, the
default jumper setting is 80-150 Vdc. If your device has a 24-48 V power supply, the default
jumper setting is 30-60 Vdc.
Table 3.5: Optional I/O Board Control Input Voltage Selection Jumper Positions
Terminal Jumpers 30 - 60 Vdc 80 - 150 Vdc 150 - 300 Vdc
IN1 JMP31, JMP32 both in 31 out, 32 in both out
IN2 JMP29, JMP30 both in 29 out, 30 in both out
IN3 JMP27, JMP28 both in 27 out, 28 in both out
IN4 JMP25, JMP26 both in 25 out, 26 in both out
IN5 JMP23, JMP24 both in 23 out, 24 in both out
IN6 JMP21, JMP22 both in 21 out, 22 in both out
IN7 JMP19, JMP20 both in 19 out, 20 in both out
IN8 JMP17, JMP18 both in 17 out, 18 in both out
IN9 JMP15, JMP16 both in 15 out, 16 in both out
IN10 JMP13, JMP14 both in 13 out, 14 in both out
IN11 JMP11, JMP12 both in 11 out, 12 in both out
IN12 JMP9, JMP10 both in 9 out, 10 in both out
IN13 JMP7, JMP8 both in 7 out, 8 in both out
IN14 JMP5, JMP6 both in 5 out, 6 in both out
IN15 JMP3, JMP4 both in 3 out, 4 in both out
IN16 JMP1, JMP2 both in 1 out, 2 in both out
Configure the Output Contact Form
The SEL-2020 I/O board is shipped from the factory with form A output contacts. You may
reconfigure the contacts by desoldering and then resoldering the 20 AWG jumper wire for each
contact. Table 3.6 and Figure 3.3 show the jumper positions required to configure the contacts.
Table 3.6: Optional I/O Board Contact Form Jumper Positions
Output
Contact
Jumper
Jumper Setting
Form A contact Form B contact
OUT1
OUT2
OUT3
OUT4
JMP36
JMP35
JMP34
JMP33
Connect A to Common with
20 AWG wire (factory setting)
Connect B to Common with
20 AWG wire
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