10/6/10 888-2629-200 4-11
WARNING: Disconnect primary power prior to servicing.
Section 4 Theory of Operation
Maxiva ULX COFDM Series
Table 4-2 RF Detector/Pump Control/ Interlocks Card Connector J3 Pinout
Pin Signal Description
1 CABINET_SAFETY_INTLK Input - Active high, cabinet safety interlock
2 CABINET_RF_MUTE_INTLK Input - Active high, cabinet RF mute interlock
3 SYSTEM_SAFETY_INTLK Input - Active high, system safety interlock
4 SYSTEM_RF_MUTE_INTLK Input - Active high, system RF mute
5 PUMP_ON_CMD Output - Active high to turn on selected pump
6 PUMP_SWITCH_CMD Output - Pulsed active high to switch between
pumps A and B
7 PUMP_INTLK Output, active high
8 COOLANT_FAULT Input - connect to open drain or relay contacts.
Active low 20mA sink.
9 COOLANT_WARN Input - connect to open drain or relay contacts.
Active low, 20mA sink.
10 PUMP_A_STATUS Input - connect to open drain or relay contacts.
Active low 20mA sink.
11 PUMP_B_STATUS Input - connect to open drain or relay contacts.
Active low 20mA sink.
12 PUMP_RMT/
LOCAL)_STATUS
Input - connect to open drain or relay contacts.
Active low 20mA sink.
Remote = High, Local = Low
13 EXT_VDD +12V dc voltage supplied by pump.
14-17 GND
18-25 GNDB
To Next Page
Loading...
