gm237

GM237 DIGITAL SPEED SENSOR

INTRODUCTION

The GM-237 Speed Sensor is a four way speed switch unit intended for standby alternators, generators, and Pumps. It is housed in a Painted Die Cast Aluminium sealed enclosure, IP-65 rating. Terminal connections are made via two 10-way screw terminals. The GM-237 provides monitoring of four independent engine speeds. The GM-237 has an LCD Display for indicating the Current Engine RPM, Switch 1, 2, 3, and 4 settings. The following settings can be adjusted using the Keypad:

• Switch 1
• Switch 2
• Switch 3
• Switch 4
• Number Of Teeth on the Flywheel
• Tachometer Maximum RPM
• Switch Reset Level
GM237 Digital Speed Sensor

Each Switch is programmable for: Switching RPM, Relay Logic, and Switch Latching.

NOTE: These settings will not be lost in the event of Power Loss.


STANDARD RELAY LOGIC: Switches are DE-ENERGISED BELOW the set RPM level. The switch is ENERGISED ABOVE the set RPM level.
REVERSE RELAY LOGIC: Switches are ENERGISED BELOW the set RPM level. The switch is DE-ENERGISED ABOVE the set RPM level.
SWITCH LATCHING: When the RPM level is above the respective switch level, the switch is ENERGISED or DE-ENERGISED and only removed by a local OR remote reset.
SWITCH RESET LEVEL: Switches will reset once the RPM falls below the Reset Level % of the Switch RPM.

Datasheet GM237.pdf

SPECIFICATIONS

Input Voltage: 24VDC, 110-130VDC (Specify when ordering)
Supply Power: 5W MAX
Signal Source : Magnetic pickup sensing ring gear rotation. May be paralleled with governor.
Relay Contacts : One change over on Switch 1
One change over on Switch 2
One change over on Switch 3
One change over on Switch 4
Indicators : LEDs for each Relay (LED on when Relay is Energised)
Character LCD Display
PRICE: $650.00

INTRODUCTION

The GM-237 Speed Sensor is a four way speed switch unit intended for standby alternators, generators, and Pumps. It is housed in a Painted Die Cast Aluminium sealed enclosure, IP-65 rating. Terminal connections are made via two 10-way screw terminals. The GM-237 provides monitoring of four independent engine speeds. The GM-237 has an LCD Display for indicating the Current Engine RPM, Switch 1, 2, 3, and 4 settings. The following settings can be adjusted using the Keypad:

• Switch 1
• Switch 2
• Switch 3
• Switch 4
• Number Of Teeth on the Flywheel
• Tachometer Maximum RPM
• Switch Reset Level
GM237 Digital Speed Sensor

Each Switch is programmable for: Switching RPM, Relay Logic, and Switch Latching.

NOTE: These settings will not be lost in the event of Power Loss.


STANDARD RELAY LOGIC: Switches are DE-ENERGISED BELOW the set RPM level. The switch is ENERGISED ABOVE the set RPM level.
REVERSE RELAY LOGIC: Switches are ENERGISED BELOW the set RPM level. The switch is DE-ENERGISED ABOVE the set RPM level.
SWITCH LATCHING: When the RPM level is above the respective switch level, the switch is ENERGISED or DE-ENERGISED and only removed by a local OR remote reset.
SWITCH RESET LEVEL: Switches will reset once the RPM falls below the Reset Level % of the Switch RPM.

Datasheet GM237.pdf

SPECIFICATIONS

Input Voltage: 24VDC, 110-130VDC (Specify when ordering)
Supply Power: 5W MAX
Signal Source : Magnetic pickup sensing ring gear rotation. May be paralleled with governor.
Relay Contacts : One change over on Switch 1
One change over on Switch 2
One change over on Switch 3
One change over on Switch 4
Indicators : LEDs for each Relay (LED on when Relay is Energised)
Character LCD Display

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