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Output table, Specifications – Watlow Optimizing Your Process System with the Series 988 Controller User Manual

Page 51

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Specifications

Optimizing Your Process System with the WATLOW Series 988

6.3

988-FAMILY OUTPUT TYPES

Output 1

Output 2

Output 3

Output 4

none

A

solid-state relay

good life/low cost
B- 0.5A, w RC suppression
K- 0.5A, w/o RC suppression

open collector

best life/low cost
C- switched DC

electromechanical relay

shortest life/high cost (w maintenance)
D- form C, 5A, w RC suppression
E- form C, 5A, w/o RC suppression

electromechanical relay

shortest life/high cost (w maintenance)
J- form A or B, 5A, w/o RC suppression

universal process types

best life/low cost
F- 0-5VDC, 1-5VDC, 0-10VDC,

0-20mA, 4-20mA

transmitter power supply

T- 5, 12, 20VDC @ 30mA

process retransmit

chart recorder or data-logging device
M- 0-20mA, 4-20mA
N- 0-5VDC, 1-5VDC, 0-10VDC

communications

with a computer
R- RS-232
S- EIA-485, RS-422

Output Table

option available if shaded