Watlow Controls 981 Series - User Manual

Calibrating Watlow
Process Controls
(Applies to Series 981, 982, 983, 984, 986, 987, 988, 989)
Calibration Manual
Watlow Controls, 1241 Bundy Blvd., P.O. Box 5580, Winona, MN 55987-5580, Phone: 507/454-5300, Fax: 507/452-4507
W988-CM10-9345
November, 1993
$5.00
Made in the U.S.A.
Printed on Recycled Paper

Watlow Controls 981 Series Specifications

General

Model	981 Series
Mounting	Panel mount
Input Type	Thermocouple, RTD
Output Type	Relay
Control Modes	PID
Control Algorithm	PID
Alarms	Deviation
Display	LED
Communication Protocol	RS-485, Modbus
Power Supply	24 VAC/DC
Agency Approvals	CE, UL
Dimensions	48 x 48 mm
Enclosure Rating	NEMA 4X