3 reporting parameters, 4 communications, 5 control and alarm outputs – Watlow 8PID Controller User Manual

Page 8: 6 digital input or output, 7 general

2.3 REPORTING PARAMETERS

The computer can request any of the following for any loop:

Operating parameters:

all of the above

Analog inputs:

sensor input

2.4 COMMUNICATIONS

Types

RS-232, RS-422, or 20ma current loop

Baud rate

jumper selectable, 300 to 9600

Error check

full echo of all settings

Isolation

optical for 20ma, optional for RS-232

Data format

standard ASCII

Display

LED indicates communication active

2.5 CONTROL AND ALARM OUTPUTS

Select up to eight:

Time

proportioning:

voltage output: pulsed 6VDC at 6ma (or
On/Off)maximum -- for solid state or other relays

Analog:

voltage or current: selectable (4 to 20ma, 2 to 10v
etc.)

Display:

LED indicates control output is active

2.6 DIGITAL INPUT OR OUTPUT

2 DigitalOutputs:

opencollector;
true= < 0.5v @ 4ma
false = 5v @ 400ohms

1 Digital Input:

true = < 0.5v; false = > 3.5v

2.7 GENERAL

Power input:

120VAC, 60Hz

Operating ambient:

0 to 50 C

Humidity:

10% to 90%, non-condensing

Enclosures:

NEMA 4, 12, 13 and others optional

Physical:

11.2" wide, 13.25" high, 4" deep

Mounting:

4 bolts; 10.25" wide, 12.25" high

Weight:

approximately 5 pounds