AMETEK ReFlex - Manual (Page 110)

ReFlex Power™ AC Power Supplies
M380056-01 Rev K 4-25
I NTERFACE C ONNECTOR
The Interface connector provides terminations for external connections to
digital and analog control signals.
Refer to Figure 4-7 for a view of the connector showing pin numbers. The
pinout and functions of the connector signals are presented in Table 4-3.
Connector: Positronic Industries P/N SD9M1000Z, AMETEK P/N 856-214-09
Crimp contacts: Positronic Industries P/N MC7520D (initially supplied with connector)
Backshell: Positronic Industries P/N D9000Z00, AMETEK P/N 856-247-10
Wire size: Maximum gauge 20 AWG (recommended)
Length: maximum 10 meters (can be extended subject to the
environment, cable type, and interface circuits).
Figure 4-7. Interface Connector, Front Panel View, and Wiring Diagram
Table 4-3. Interface Connector Pinout
Pin Name Function Signal Level
1 ENA 1 Input: module output enable TTL logic level
6 ENA-RTN 1
Input: return for ENA signal; connected to
Pin-7/8
Signal common
2 Reserved
7 Reserved
3 Reserved
8 Reserved
4 Reserved
9 Reserved
5 CHAS-GND Shield ground Chassis ground
1 Enable signal is internally pulled up to +5 V with a 10 K resistor. To enable the module, the signal is pulled low
(<= 0.5 V) with respect to the ENA RTN signal; this may also be accomplished by shorting Pin 1 to Pin 6.