Watlow 988 series User Manual

$5.00
Made in the U.S.A.
Data Communications with the Watlow
Series 988 Family of Controllers
User's Manual
Includes:
981-984 Ramping
986-989 Temperature or Process
996-999 Dual Channel
Watlow Controls
1241 Bundy Blvd., P.O. Box 5580, Winona, Minnesota 55987-5580; Phone: (507) 454-5300;
Fax: (507) 452-4507
W98F-XUMN Rev A03
Supersedes: W98F-XUMN Rev A02
June 1997
Printed on Recycled Paper, 10% Post-consumer Waste.
User Level Targeted:
• New User............................. Go to page 1.1
• Experienced User ................Go to page 2.1
• Expert User .........Go to page 5.1, 6.1 or 7.1
Installer:
• Wiring and installation.........Go to page 2.1
• Setup...................................Go to page 3.1
TL
W
W
A
PROCESS
1A 2A 1B 2B
CH A
CH B
DISPLAY
SERIES 998
MODE
AUTO
MAN
AUTO
MAN
TL
W
W
A
PROCESS
L1 L2 L3 L4
DEV
% OUT
DISPLAY
SERIES 982
MODE
HOLD
RUN
TL
W
W
A
PROCESS
L1 L2 L3 L4
DEV
% OUT
DISPLAY
SERIES 988
MODE

Watlow 988 series Specifications

General

Type	Temperature Controller
Input	Thermocouple, RTD, Process
Output	Relay, SSR, Analog, Linear
Control Mode	ON/OFF, PID
Display	Dual 4-digit LED
Communication	RS-485
Power	24 VAC/VDC
Operating Temperature	0 to 50°C (32 to 122°F)
Enclosure Rating	NEMA 4X/IP65