4.5 REAR PANEL J1 PROGRAMMING AND MONITORING CONNECTOR
The J1 Programming and Monitoring connector is a DB25 subminiature c
power supply rear panel. Refer to Table 4
4 for description of the connector functions. The power su
ply default configuration is Local operation, which does not require connections to J1. For remote o
eration using J1 signals use t
he plug provided with power supply or equivalent type. It is essential to
tic body plug to conform to Safety Agency requirements. Shielded cable is required to maintain
EMC Specification for J1 wires. Co
nect the shield to a power supply chassis gr
J1 connector type: AMP, P/N: 747461
J1 plug description: AMP, P/N: 745211
Wire dimension range: AWG26
Extraction tool: AMP, 91232
Before making any connection, turn the power switch to the Off position and wait until the front panel
Terminals 12, 22 and 23 of J1 are connected internally to the
LS) potential of the power supply. Do not
attempt to bias any of these terminals relative to the neg
local sense. Use the Isolated Programming interface option to
allow control from a programming source at a different pote
tive to the power supply negative.
To prevent ground loops and to maintain the isolation of the
Power supply when programming from J1, use an
grounded programming source.
There is a potential shock hazard at the output when using a
power supply with rated output greater than 40V. Use wires
with minimum insulation r
ating equivalent to the maximum
output voltage of the power supply.