AMETEK ReFlex - Manual (Page 295)

Active Loads ReFlex Power™
7-20 M380056-01 Rev J
I NTERFACE PINOUT
Figure 7-6. Interface Connector, Front Panel View, and Wiring Diagram
Table 7-2. 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 MOD-IN-H
Input: external modulation signal; differential input with
MOD_IN_L
5V/10V analog signal
9 MOD-IN-L Input: return for external modulation signal, MOD_IN_H 5V/10V analog signal
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.
O PTIONAL I NTERFACE C ONNECTOR A CCESSORIES
• AMETEK P/N 5380508-01, 9-pin Loop-back Connector Assembly. Includes a jumper wire between
Pins 1 and 6 to enable the module outputs.
• AMETEK P/N 5380443-01, Power Module, 9ft. Unterminated Interface Cable Assembly. Use when
interfacing to an external system.
• AMETEK P/N 5380443-03, Power Module, Right Angle, 9ft. Unterminated Interface Cable
Assembly. Use when interfacing to an external system.
DC I NPUT C ONNECTOR
The DC Input connector (Figure 7-7) provides terminations for the input
and remote sense connections to the load (see Table 7-3 for pinouts).
Connector: MIL P/N MS3106F-20-24S, AMETEK P/N 855-363-08
Backshell: Included with connector.
Wire size: see Table 7-3.
Twisted cable recommended, 25uH max. wire inductance