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Parker Hannifin Corporation
Automation Actuator Division
Wadsworth, Ohio
40
Automation
PM-ER01/USA
ER Series Rodless Actuator
Maintenance Instructions and Parts List
Reed Switches
Reed Switches
Reed switches are available in a normally open or
normally closed configuration. The low amp switch is
suitable for connection to PLCs or other low current
devices. The high amp switch can be used to drive
sequencers, relays, coils, or other devices directly. Not
compatible with TTL level I.O. Logic (switch will work with
TTL level if wired backwards but LED will not light).
Low Amp Reed Switch Specifications
Switching Logic: Normally Open (SMR-1L)
Normally Closed (SMD-1L)
Voltage Rating: 85-125 VAC or 6-24 VDC*
(NO)
6-24 VAC, 6-24 VDC* (N.C.)
Power Rating:
AC or DC Resistive Load: 10 watts (N.O.)
AC or DC Inductive Load: 5 watts (N.O.)
AC or DC: 3 watts (N.C.)
Switching Current Range:
Resistive Load (PC, Sequencer): 5-40 mA (N.O.), 5-25 mA (NC)
Inductive Load (Relay): 5-25 mA
Minimum Current for LED: 5 mA
Switching Response: 300 Hz (N.O.), 200 Hz (NC)
Breakdown Voltage: 200 VDC
Contact Resistance: 100 M Ohm min.
Operating Temperature: -10° to 85°C (14° to 185°F)**
Lead Termination: 1500 mm (60 in) or
150 mm (6 in) with connector
Industrial Protection: IP66
Shock Resistance: 30 g's, 300 m/sec
2
(Required for proper operation 24VDC)
Put Diode parallel to load (CR) with polarity as shown
below.
12VDC
+
D: Diode: select a Diode with the breakdown voltage
and current rating according to the load.
CR: Relay coil (under 0.5 W coil rating)
(Recommended for longer switch life 125VAC)
Put resistor and capacitor parallel to load (CR).
125VAC
+
CR: Relay coil (under 2 W coil ratings)
R: Resistor under 1 K Ohm
C: Capacitor 0.1 µF
C
R
CR
DCR
Integral Circuit for Switching Contact Protection
(BROWN)
(BROWN)
High Amp Reed Switch Specifications
Switching Logic: Normally Open
Voltage Rating: 85-125 VAC or 6-24 VDC*
Power Rating:
AC or DC Resistive Load: 10 watts
AC or DC Inductive Load: 5 watts
Switching Current Range:
Resistive Load (PC, Sequencer): 30-300 mA
Inductive Load (Relay): 30-100 mA
Minimum Current for LED: 18 mA
Switching Response: 300 Hz Maximum
Breakdown Voltage: 200 VDC
Contact Resistance: 100 M Ohm min.
Operating Temperature: -10° to 85°C (14° to 185°F)**
Lead Termination: 1500 mm (60 in) or 150 mm
(6 in) with connector
Industrial Protection: IP66
Shock Resistance: 30 g's, 300 m/sec
2
* Polarity is restricted for DC operation: (+) to Brown (-) to Blue
If these connections are reversed for TTL levels the contacts
will close, but the LED will not light. Connector versions are for
DC operation only.
** Exceeds temperature range for ET Series mechanical components.
(BLUE)
-
-
(BLUE)
DC Operation
AC Operation (1.5 m Cable with Leads Only)
Reed Switch Information
Part No. Type LED Color Rating Cable/Connector
SMR-1 N.O. Green Hi Amp
SMR-1L N.O. Red Low Amp
SMD-1L N.C. Yellow Low Amp
SMR-1C N.O. Green Hi Amp
SMR-1LC N.O. Red Low Amp
SMD-1LC N.C. Yellow Low Amp
1.5m Grey
with Leads
150mm Grey
with Connector*
*Switch cable assemblies purchased separately.
DC operation only.
** nn = 32, 50 or 80 to fit ER32, ER50 or ER80
Reed Switch Information
Part No.** Type LED Color Rating Cable/Connector
SMRnn-1 N.O. Green Hi Amp
SMRnn-1L N.O. Red Low Amp
SMDnn-1L N.C. Yellow Low Amp
SMRnn-1C N.O. Green Hi Amp
SMRnn-1LC N.O. Red Low Amp
SMDnn-1LC N.C. Yellow Low Amp
1.5m Grey
with Leads
150mm Grey
with Connector*
Switch Ordering Information
Note: Care must be taken not to exceed the Power Rating of the
switch while still observing the voltage and current limitations.
Switch Clamps (Ordered Separately)
Actuator Size ER32 ER50 ER80
Clamp Part No. SC32 SC50 SC80
Switches Only (ER Series w/o Clamp)
Switches with Clamp Included