Manual

Rev. 3
iii
Table of Contents
1 Introduction .............................................................................. 1
Model 135/136 Features
............................................................
1
Model 135 Front Panel Layout
...............................................
3
Model 135 Rear Panel Layout
................................................
4
Model 136 Front Panel Layout
................................................
5
Model 136 Rear Panel Layout
.................................................
6
Model 135/136 Specifications @ 25
°
C
......................................
7
2 Installation ................................................................................ 9
Unpacking the Instrument
.......................................................
9
Rack Mounting the Instrument
..............................................
10
Preparing the Sensor for Connection
.....................................
10
Installing the Optional Solenoid-Operated Fill Valve
..........
12
Connecting any Communications Option
..............................
12
Connecting the Instrument to Power
.....................................
13
3 Operation................................................................................ 15
Sensor-Burnout Protection Mode
...........................................
15
Normal Operational Mode
......................................................
15
3.2.1
Turn on the power
.......................................................
15
3.2.2
Configure the active length setting
............................
16
3.2.3
Configure the HI SETPOINT and the
LO SETPOINT
.............................................................
16
3.2.4
Configure the A SETPOINT and the B SETPOINT
..
17
3.2.5
Select the operational mode of the controller
output receptacle
.........................................................
18
3.2.6
Configure the sample time interval setting
...............
19
3.2.7
Select either continuous or sampled update
configuration
................................................................
19
3.2.8
Select the appropriate units display option
...............
19
3.2.9
Connect the optional analog output signal
................
19
Dirty Sensor Operational Mode
..............................................
20
4 Remote Interface Reference.................................................. 21
Serial Communication/Data Logger Option
..........................
21
4.1.1
Serial port connector and cabling
...............................
21
4.1.2
Command/return termination characters
..................
21
4.1.3
Serial Communication DIP Switch Settings
..............
22
4.1.4
Serial Command Set Reference
..................................
24