User Manual
ScanLog 96 Pen Drive Version
27
ELECTRICAL CONNECTIONS
Caution
The ScanLog is designed for installation in an enclosure which
provides adequate protection against electric shock. Local
regulations regarding electrical installation should be rigidly
observed. Consideration should be given to prevention of access to
the Power Supply terminals by unauthorized personnel.
1. The user must rigidly observe the Local Electrical Regulations.
2. Do not make any connections to the unused terminals for making a tie-point for other wires (or for any other reasons) as
they may have some internal connections. Failing to observe this may result in permanent damage to the recorder.
3. Run power supply cables separated from the low-level signal cables (like Thermocouple, RTD, DC Linear Current /
Voltage, etc.). If the cables are run through conduits, use separate conduits for power supply cable and low-level signal
cables.
4. Use appropriate fuses and switches, wherever necessary, for driving the high voltage loads to protect the recorder from
any possible damage due to high voltage surges of extended duration or short-circuits on loads.
5. Take care not to over-tighten the terminal screws while making connections.
6. Make sure that the power supply is switched-off while making / removing any connections.
CONNECTION DIAGRAM
The Electrical Connection Diagram is shown on the Top Side of the enclosure. Refer figure 13.1.
Figure 13.1
WARNING
MISHANDLING/NEGLIGENCE CAN RESULT
IN PERSONAL DEATH OR SERIOUS INJURY.
Section 13
Analog Input 1
4
5
6
7
8
9 10 11 12 13 14
2
3
1
NO C
RELAY-1
Alarm-1
Alarm-3
NO C
RELAY-2
Alarm-2
Alarm-4
B+ B-
RS485
Serial
Comm
85~265 VAC
Supply
L
N
mA
mV
TC
RTD
+
+
+
–
–
–
*
Exc
O/P
–
+
V
15 16 17 18 19 20 21 22 23 24 25 26 27 28
*
Analog Input 2
ScanLog 96
mA
mV
TC
RTD
+
+
+
–
–
–
*
Exc
O/P
–
+
V
Batch Start
Alarm
ACK
Common
PPI
Single
Dual
Channel :
5V
24V
Exc O/P :
*
Notes:
1. Analog Input 2 connections (terminals 23 to 28)
are applicable only for Dual Channel version.
2. Excitation Voltage output (terminals 15 & 22) is
available optionally.
