Rear Panel Controls
Chapter Three: Overview
28
Rear Panel Controls
ACCESSORY
REMOTE
HEAD
BCD
M
U
LT
IP
LE
X
LINE: +10% 50/60 HZ
(50 VA MAX.)
FUSE: 100/120 - 0.6 ASB/250V
220/240 - 0.3 ASB/250V
Power Entry
Module
BCD Connector
(not on a 270-0 unit)
Remote Connector
Accessory Connector
Head Connector
Multiplex
Connector
(not on a
270-0 unit)
Figure 2: Rear Panel of the 270-4 Unit
Note
The “No Connection” pin assignment refers to a pin with no internal
connection.
REMOTE Connector
This 9-pin male Type “D” connector allows an external device to access the range selection
circuits. The three range selection inputs (1, 0.1, and 0.01), along with a 10.0 VDC output, are
available through this connector. Table 6 lists the pin assignments.
REMOTE Connector (J402) Pinout
Pin Number
Description
1
DC Output Voltage
2
No Connection
3
Select x0.1 Range
4
Select x0.01 Range
5
Digital Common
6
Chassis Ground
7
No Connection
8
DE Output Return
9
No Connection
Table 6: REMOTE Connector (J402) Pinout
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