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Procedure
Terminal Diagram
Page-2
1) Do all connections as per the wiring diagram.
To Configure: 1. Input Selection (J, K, PT-100, PT.1, 0 - 10V DC, 0 - 20mA DC & 4 - 20mA DC).
2. Relay mode
- If 1 Relay per group - If 2 Relay per group
LOW LOW / HIGH
HIGH HIGH / TRIP
HIGH / LOW
3. Set point selection.
4. Analog range selection .
5. Offset and Correction factor selection.
6. Communications parameter.
2) To add offset & correction factor, press + keys together.
Set offset for each channel if required.
Off set range will be ±25°C for J, K, PT-100 temperature input.
Off set range will be ±25.0°C for PT.1 temperature input.
Offset range will be -999 to 1000 for analog input.
Correction factor range will be -999 to 1000 only for analog input.
4) Press key for 3 Sec to Change continuous scrolling or manual scrolling.
5) In Hold mode use & key to select next channel.
MSU-1248-M1
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- - -- -
-
18
14
19
13
20
12
21
11
22
10
23
24
1 2 3 4 5 6 7 8 9
16
17
15
+
+ + +++
T/C T/C T/CT/CT/C
PT-100/3W PT-100/3W PT-100/3WPT-100/3WPT-100/3W
T/CT/C T/C
PT-100/3WPT-100/3W PT-100/3W
CH-1 CH-4 CH-5CH-3CH-2
CH-6CH-7
NC NC NC NC C
C
C
CNO
NO
NO
NO
R1 R3 R4R2
50/60 HZ
4VA
~
50/60 Hz
4VA !
100
250V AC
LN
26 25
RS-485
MODBUS
D+
D
-
Made in India
0-10V
DC
0/4-20
mA DC
+
0-10V
DC
0/4-20
mA DC
+
0-10V
DC
0/4-20
mA DC
+
0-10V
DC
0/4-20
mA DC
+
0-10V
DC
0/4-20
mA DC
+
0-10V
DC
0/4-20
mA DC
+-
+
0-10V
DC
0/4-20
mA DC
+
CH-8
-
+
0-10V
DC
0/4-20
mA DC
+
