Watlow Optimizing Your Process System with the Series 988 Manuel d'utilisateur télécharger pdf (Page 68)

7.11Optimizing Your Process System with the WATLOW Series 988

How to Choose the Right 988 to Fit Your Application

Series 988/989 Model Number Information

98 _ _ - _ _ _ _ - _ _ _ _

Hardware

6 = Vertical mounting, 24-28 V

7 = Horizontal mounting, 24-28 V

8 = Vertical mounting, 100-240 V

9 = Horizontal mounting, 100-240 V

Software

A = Standard

B = Enhanced (with cascade, ratio, dual PID, differential)

#1 Input

1 = Basic thermocouple signal conditioner

(excluding Type R, S and B)

2 = Universal signal conditioner

#2 Input

0 = None

1 = Basic thermocouple signal conditioner

(excluding Type R, S and B)

2 = Universal signal conditioner

3 = Slidewire feedback

4 = Current transformer

5 = Second digital event (one digital event is standard on all units)

#1 Output

B = Solid state relay, Form A, 0.5A, with RC suppression

C = Switched DC, open collector, isolated

D = *Electromechanical relay, Form C, 5A, with RC supression

E = *Electromechanical relay, Form C, 5A, without RC suppression

F = Universal process, 0-5VDC, 1-5VDC, 0-10VDC, 0-20mA, 4-20mA

K = Solid state relay, Form A, 0.5A, without RC suppression

#2 Output

A = None

B = Solid state relay, Form A, 0.5A, with RC suppression

C = Switched DC, open collector, isolated

D = *Electromechanical relay, Form C, 5A, with RC suppression

E = *Electromechanical relay, Form C, 5A, without RC suppression

F = Universal process, 0-5VDC, 1-5VDC, 0-10VDC, 0-20mA, 4-20mA

K = Solid state relay, Form A, 0.5A, without RC suppression

T = External signal conditioner power supply, 5, 12 or 20VDC @ 30mA

#3 Output

A = None

B = Solid state relay, Form A, 0.5A, with RC suppression

C = Switched DC, open collector, isolated

J = *Electromechanical relay, Form A or B, 5A, without RC suppression

K = Solid state relay, Form A, 0.5A, without RC suppression

M = Retransmit, 0-20mA, 4-20mA

N = Retransmit, 1-5VDC, 0-10VDC, 0-5VDC

T = External signal conditioner power supply, 5, 12 or 20VDC @ 30mA

#4 Output

A = None

B = Solid state relay, Form A, 0.5A, with RC suppression

C = Switched DC, open collector, isolated

D = *Electromechanical relay, Form C, 5A, with RC suppression

E = *Electromechanical relay, Form C, 5A, without RC suppression

K = Solid state relay, Form A, 0.5A, without RC suppression

R = Isolated RS-232 communications

S = Isolated EIA-485/RS-422 communications

T = External signal conditioner power supply, 5, 12 or 20VDC @ 30mA

Display Color (Upper/Lower)

GG = Green/Green

GR = Green/Red

RG = Red/Green

RR = Red/Red

Sensor Ranges

J t/c: 32 to 1500°F

0 to 816°C

K t/c: -328 to 2500°F

-200 to 1371°C

T t/c: -328 to 750°F

-200 to 399°C

N t/c: 32 to 2372°F

0 to 1300°C

R t/c: 32 to 3200°F

0 to 1760°C

S t/c: 32 to 3200°F

0 to 1760°C

B t/c: 1598 to 3300°F

870 to 1816°C

E t/c: -328 to 1470°F

-200 to 799°C

C t/c: 32 to 4200°F

0 to 2316°C

D t/c: 32 to 4200°F

0 to 2316°C

Pt 2: 32 to 2543°F

0 to 1395°C

1°RTD (JIS): -328 to 1166°F

-200 to 630°C

1°RTD (DIN): -328 to 1472°F

-200 to 800°C

0.1°RTD (JIS

and DIN): -99.9 to 999.9°F

-73.3 to 537.7°C

0-5VDC: -999 to 9999

1-5VDC: -999 to 9999

0-10VDC: -999 to 9999

0-20mA: -999 to 9999

4-20mA: -999 to 9999

0-50mVDC: -999 to 9999

0-100mVDC: -999 to 9999

Slidewire: 100 to 1200Ω

Current: 0 to 50mA

Potentiometer: 0 to 1200Ω

*Electromechanical relays are not recom-

mended for PID control. They are warranted

for only 100,000 contact closures

100Ω platinum

1 2 ... 63 64 65 66 67 68 69 70 71 72 73 74

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Watlow Optimizing Your Process System with the Series 988 Manuel d'utilisateur Page 68

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