PO Box 2, Leighton Buzzard
Bedfordshire, England LU7 4AZ
Tel: +44 (0)1525 373178/853800, Lo-call: 0845 3108053, Fax: +44 (0)1525 - 851319
E-mail: [email protected], Online: www.calex.co.uk
Registered Office: 20 Bridge Street, Leighton Buzzard, Beds, LU7 1AL
DRR245 - 4-20 mA Connection Instructions.doc
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15:09
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29/09/17
Registered Number:
3737294 England
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Connecting and Configuring
a Calex Electronics two-wire 4-20 mA output sensor
with a DRR245 Controller
Connecting sensor and power:
1. Attach power supply wires to pin 23 & 24
2. Attach sensor wires:
For PyroCouple and PyroUSB sensors:
PWR + (Red) to pin 16
PWR - (Black) to pin 13
3. Turn on the power. The display flashes "E-05".
Entering configuration mode:
4. Press and hold SET for 5 seconds until the display shows "0000".
5. Enter the password. Default password is "1234":
Press UP to increase first digit to "1". Press SET.
Press UP twice to increase second digit to "2". Press SET.
Press UP three times to increase third digit to "3". Press SET.
Press UP four times to increase third digit to "4". Press SET.
The display shows first configuration parameter "c.out".
Inputting the sensor's temperature range:
6. Adjust the configuration parameters:
Press UP and DOWN to select a configuration parameter to adjust.
Hold SET and press UP and DOWN to change the value.
7. Change the value of parameter "Sen." to
"4.20”
The controller now accepts the sensor's 4-20 mA input.
Continued...
