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ES-600 Indicator Lights and Display
PPM Ozone: Auto ranging digital display in ppm (parts
per million).
Above MAX Limit: Illuminates when ozone reading is
above the MAX set point.
Data From Sensor: Illuminates and blinks at 1-second
intervals when powered on and receiving data from the
sensor.
Below MIN Limit: Illuminates when ozone reading is
below the MIN set point.
Unable to Control Ozone: Illuminates when the ozone
generator (TB4) is not maintaining the desired set
points. A relay (TB6) engages with this indicator to
provide remote alarm capability. This option may be
disabled by setting the FAIL time to 0999. Refer to "Set
Point and Alarm Condition Settings" for more details.
This option is also disabled when the instrument is in
Monitor Mode. Refer to "External Connections – TB7:
Generator Enable" for more details.
Above 0.1 PPM Safety Limit: Illuminates when the measured ozone exceeds 0.1 ppm (OSHA 8-hour time-weighted average safety limit). A
relay (TB5) engages with this indicator to provide remote alarm capability.
Generator Control: Illuminates when the ozone generator relay (TB4) is engaged, indicating the ozone generator is on.
Wiring Compartment: Contains buttons for adjusting set point and alarm conditions as well as wiring terminals for sensor module
connections, ES-600 power input, analog outputs, relay outputs, and Monitor Mode selector.
Display Compartment: Contains jumper pins for selecting the analog output full-scale range.
External Connections
The wiring terminals for the sensor module connections,
ES-600 power, analog outputs, relay outputs, and Monitor
Mode selector are located in the Wiring Compartment. For
access, disconnect the ES-600 from power and remove
the two screws and cover. The connection board will
resemble this diagram.
TB1: 12-24 VDC POWER: Power input and earth
grounding for the ES-600
TB2: ANALOG OUTPUT: 4-20 mA and 0-2 VDC to
external control equipment. Refer to "Analog Range
Selection" for details. Default range is 0-20 ppm. NOTE:
the 4-20 mA output is a DRIVER rather than a current-sink
type output.
TB3: RS-232 OUTPUT: Serial data output. Refer to "Data Connection" for details.
TB4: GENERATOR CONTROL: Relay contacts with user adjustable control limits for operating an ozone generator. Refer to "Set Point and
Alarm Condition Settings" for details.
TB5: ABOVE 0.1 PPM: Relay contacts tied to OSHA human safety limit (for remote indicator/alarm).
TB6: UNABLE TO CONTROL OZONE: Relay contacts tied to Unable to Control Ozone error condition (for remote indicator/alarm).
TB7: GENERATOR ENABLE: A jumper is installed at the factory to enable Generator Control (TB4). If the jumper is removed and these
terminals are not connected, an ozone generator connected to TB4 will never run. Remove the jumper or replace it with a switch to disable the
ozone generator when performing maintenance. Also remove the jumper to operate the ES-600 in "Monitor Mode". In this state, when the
jumper is removed, the Generator Control relay (TB4) will be disabled, as well as the "Generator Control" indicator and the "Unable to Control
Ozone" indicator.
TB8: SENSOR DATA AND GROUND: Connect data and ground (black) conductors from SM-module, TB1 to ES-600, TB8. Refer to Appendix
A for an illustration and more details.
Ozone Solutions
sales@ozonesolutions.com
(888) 892‐0303
PPM Ozone
Above MAX
Limit
Data From
Sensor
Below MIN
Limit
Wiring
Compartmen
Use either
Ozone Controller, Model ES-600
User Manual, Rev. 1.0
Unable to
Control Ozone
Above 0.1 PPM
Safety Limit
Generator
Control
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