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The Business of Science
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1 – IEC Power Entry
. Universal Power
input accepts 110 or 220 VAC at 50 or 60
Hz
2 – Setpoint Relays
. Dry contacts are
provided to trigger external equipment, or
to provide status to control electronics,
such as a PLC. Three relays are provided
for each temperature channel. The top
row connector is controlled by Channel #1
sensor, and the bottom is controlled by
Channel #2. See the setpoint table for a
detailed pin-out.
3 – D-sub 9 Female: Temperature
Sensors
. Connect temperature sensor
according to the following pin out:
Pin 1: Shield (GND)
Pin 2: No Connect (NC)
Pin 3: NC
Pin 4: Diode Sensor #1 Positive
Pin 5: Diode Sensor #1 Negative
Pin 6 – 7: NC
Pin 8: Diode Sensor #2 Positive
Pin 9: Diode Sensor #2 Negative
1
2
4 – D-sub 9 Male: RS-232 Serial Port.
Provides serial interface to a remote serial
device. The serial port is intended to be
used with a standard “straight through”
serial cable (not NULL Modem).
Pin 1: No Connect (NC)
Pin 2: RS-232 Transmit Out
Pin 3: RS-232 Receive In
Pin 4: NC
Pin 5: GND
Pin 6 – 9: NC
5 – Analog Outputs
. Analog outputs are
provided for recorder logging, or as status
to a PLC. The outputs provide 0 – 10 V for
each channel.
Pin 1: Channel #1 Voltage Output
Pin 2: GND
Pin 3: Channel #2 Voltage Output
Pin 4: GND
4
3
5
6
7
8
9
