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Watlow Series SD31 Control Ordering
To order, complete the code number below by selecting the options desired in each category. Then click the "submit" button.
The part number and price will be displayed on the next page.
S D 3 1 - __ __ __ A - A __ __ __
1 2 3 4
5 6 7 8
9 10 11 12
1-2. Control Model
Price
SD = Series SD - Single display PID controller with universal input and optional timer
NC

3. Control Size
3 = 1/32 DIN
$210.00

4. Controller Type
1 = Single display PID controller
NC

5. Power Supply (choose H or L)
H = 100 to 240V~ (ac/dc)
NC
L = 24 to 28V~ (ac/dc)
$30.00

6. Output 1 (choose C, K, J or F)
C = Switched dc output, non-isolated
NC
K = Solid state relay, Form A, 0.5A
$25.00
J = Mechanical relay, Form A, 2A
$30.00
F = Universal process
$40.00

7. Output 2 (choose A, C, K, J or U)
A = None
NC
C = Switched dc output, non-isolated
$25.00
K = Solid state relay, Form A, 0.5A
$25.00
J = Mechanical relay, Form A, 2A
$30.00
U = EIA-485 Modbus™ communications
$75.00

8. Output 3
A = None
NC

9. Infrared (IR) Comms Options
A = None
NC

10. Control Options (choose A or T)
A = Control
NC
T = Timer
$25.00

11-12. Display Color (choose 0R or 0G)
0R = Red Display
NC
0G = Green Display
NC

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