Lowell strives to provide accurate information while reserving the right to change specifications and/or improve manufacturing methods without prior notification.
©2022 Lowell Manufacturing Co., 100 Integram Dr., Pacific MO 63069 / tel. 800.325.9660 / www.lowellmfg.com
Spec 2216
Model SEQ-4A Rev. 09-20-22 | pg. 2/3
INTERNAL USE
ONL
Y:
PN 24188
INPUT CONNECTION OPTIONS:
OUTPUT CONNECTION OPTIONS:
V+
Sw
ON Ind.
OFF Ind.
V+
Sw
ON Ind.
OFF Ind.
Connect to
MOMENTARY
Remote Switches
+24V
Com
N.O.
N.C.
Model MSM2
Connect
to RPC
See Spec/Install sheet
for application details
Off
On
Connect to any physical switch or
control system that will provide a
maintained
dry contact closure
Dry Contact Control
Switch
Common
24VDC Output
200mA max
Trigger Input
5v – 24v AC or DC
Connect to any device or control system
that will provide a
maintained
voltage
between 5 and 24 volts AC or DC.
If DC, observe polarity:
Common=Neg, Trigger Input=Pos.
Voltage Control
Switch
Common
24VDC Output
200mA max
Trigger Input
5v – 24v AC or DC
Any Lowell RPSW or RPSB series
maintained
contact
remote switch model (rocker or keylock)
On
On
Rocker
Switch
Key
Switch
Switch
(Sw)
Com
+24V
2.2K 1/2W Re
si
st
or
Schematic
Grn LED
Single Remote Switch Control
Switch
Common
24VDC Output
200mA max
Trigger Input
5v – 24v AC or DC
Switch
Common
24VDC Output
200mA max
Trigger Input
5v – 24v AC or DC
Key
Switch
On
Off
(Connect
to NO)
Grn LED
2.
2K 1/
2W
Re
si
st
or
V+
Switch
(Sw)
ON
Ind.
Red LED
OFF
Ind.
Schematic
Any Lowell RPSW2-M or RPSB2-M series
momentary
contact remote switch model (rocker or keylock)
Max. 6 switches
Multiple Remote Switch Control
Connect to
either terminal
MSM2 Momentary Switch Module
SEQ-4A
SEQ-4A
SEQ-4A
SEQ-4A
Wire requirements:
Any generic cable, shielding not needed
Maximum distance between devices:
22ga wire: 1 mile
18ga wire: 3 miles
2 cond.
2 cond.
3 cond.
3 cond.
4 cond.
Rocker
Switch
On
Off
Norm
Test
Ac
tiva
te
d
Po
we
r
In
pu
t 5v-2
4v
AC
or
DC
+2
4V
DC
Ou
t
Co
mm
on
Sw
itch
G
G
Su
rg
e
Pr
ot
ec
tion
Ac
tive
W
hen
Li
t (-
S
mo
de
ls
on
ly
)
LLoow
weellll
RPC Series
Remote Power Control Unit
R
G
R
Norm
Test
Pwr
Activated
Sw
itch
Co
mm
on
24
VD
C
Ou
tp
ut
20
0mA
ma
x
Tr
igg
er
In
pu
t
5v –
24
v
AC
or
DC
No
rma
lly
Cl
os
ed
No
rma
lly
Cl
os
ed
No
rma
lly
Op
en
No
rma
lly
Op
en
Co
mmo
n
Co
mmo
n
RPC unit
(any model)
RY-2A or RY-4A Relay Module
To additional RPCs
and/or relay modules
Step 1 connections shown
Steps 2, 3, and 4 connections are identical.
NOTE:
Any combination of RPC series models
and/or RY series models may be
connected to each sequencer step
Maximum 75 units per sequence step.
Wire requirements:
Any generic cable, shielding not needed
Maximum distance between sequencer and RPCs / relays:
22ga wire: 1 mile
18ga wire: 3 miles
NOTE: Maintain polarity
(switch to switch, com to com)
2 cond.
Delay Settings
ON
Approx. 5 sec.
between steps
20 seconds total
ON
Approx. 2½ sec.
between steps
10 seconds total
ON
Approx. 8 sec.
between steps
32 seconds total
Approx. 12 sec.
between steps
48 seconds total
ON
