Watlow MLS - Manual (Page 22)

10 MLS User’s Guide
Introduction
Miscellaneous Specifications
Serial Interface
System Power Requirements
Environmental Specifications
Dimensions and Weight
Type RS-232 3-wire or RS-485 4-wire.
Isolation RS-232: None
RS-485: To EIA RS-485 specification.
Baud Rate 2400 or 9600, user selectable.
Error Check BCC or CRC, user selectable.
Number of Controllers 1 with RS-232 communications, 32 with RS-485 communications,
16 with open frame units.
Protocol Form of ANSI X3.28-1976, (D1, F1) compatible with Allen-Brad-
ley PLC, full duplex.
MLS-PM supply input 10-28 Vdc at <1 amp
MLS-AIM supply input 4.75 to 5.25 Vdc at <0.5 amp, supplied by
MLS-PM
MLS-PS system power supply Input: 120 Vac at 0.5 amp
Output: 12 Vdc at 1 amp
Storage Temperature -20 to 70 º C
Operating Temperature 0 to 50 º C
Humidity Conditions 10 to 95% non-condensing
MLS-PM 1.75 lbs., 1.89" x 3.78" x 6.75" (0.8 kg, 4.75 cm x 10 cm x 17
cm.)
MLS-AIM-TB
& AIM cards
1.50 lbs., 5.0" x 6.50" x 5.50" (0.7 kg, 12.5 cm x 16.25 cm x
13.75 cm.)
MLS-PS 1.50 lbs., 1.90" x 8.10" x 4.90" (0.7 kg, 4.75 cm x 20.25 cm x
12.25 cm.)
RTB .5 lbs, 5.0’’ x 3.0’’ x 2.25’’ (.227 kg, 12.7 cm x 7.6 cm x 5.7 cm.)