2
CONTENTS
Page
I.
INITIAL
INSPECTION
and
ASSEMBLY
3
II.
GENERAL
INTRODUCTION
4
III.USING
THE
JENCO
MODEL
6311
5
A.FRONT
PANEL
7
B.LCD
SCREEN
9
C.REAR
CONNECTORS
10
D
.
TURNING
ON/OFF
THE
INSTRUMENT
10
IV.
MODEL
6311
MODES
11
A.MAIN
DISPLAY
MODE
11
B.CALIBRATION/SETTING
MODE
12
a.
PASSWORD
CHECK
screen. 12
b.
CALIBRATION/
SETTING
SELECT
screen
13
1. ACTIVE “pH”
13
i. TEMPERATURE PROBE SELECT
13
ii.
pH
BUFFER
I
(STAND)
SELECT
14
iii. pH BUFFER II SELECT / iv. STAND CALIBRATION
14
v. SLOPE CALIBRATION / vi. EFFICIENCY information
15
Step by Step pH calibration
15
vii.
4mA
SETTING
/
viii.
20mA
SETTING
17
ix. RELAY-1, RELAY-2, RELAY-3, RELAY-4 SETTING
17
x.
RELAY
5
(WASH)
ON
TIME
SETTING
18
xi. ID (RS485 ADDRESS) SETTING / xii. PASSWORD SETTING
18
2.
ACTIVE
“ABS
mV”
19
i. TEMPERATURE PROBE SELECT / ii. 4mA SETTING
19
iii. 20mA SETTING / iv.RELAY-1,RELAY-2,RELAY-3,RELAY-4 SETTING 20
v. RELAY 5 (WASH) ON TIME SETTING / vi. ID SETTING
20
vii.
PASSWORD
SETTING
21
3. ACTIVE
“REL
mV”
21
i.
TEMPERATURE
PROBE
SELECT
21
ii.
OFFSET
SETTING
/
iii.
4mA
SETTING
22
iv. 20mA SETTING / v RELAY-1, RELAY-2, RELAY-3, RELAY-4 SETTING 22
vi. RELAY 5 (WASH) ON TIME SETTING /
vii. ID SETTING
23
viii.
PASSWORD
SETTING 23
V. CONTROLLING THE RELAYS
24
A.ISOLATION
VOLTAGE
24
B.OUTPUT
LOAD
24
C.RELAY ACTION, RELAY SETPOINT & HYSTERESIS VALUE
24
VI. 4-20 mA OUTPUT
25
A.ISOLATION
VOLTAGE
25
B.OUTPUT
LOAD
25
C.LINEAR
ANALOG
OUTPUT 25
VII.RS485
INTERFACE
OPERATION
27
VIII.ERROR
DISPLAYS
AND
TROUBLESHOOTING
28
IX. pH
BUFFERS
30
X. SPECIFICATIONS
31
XI. WARRANTY
32
XII.KEYBOARD
FLOWCHARTS
33
A.pH
MODE
33
B.“ABS
mV”
MODE 34
C.“REL
mV”
MODE 35
Содержание 6311
Страница 34: ...34 B ABSOLUTE mV...
Страница 35: ...35...
Страница 36: ...36 C RELATIVE mV Updated May 28 2003...