MYERS MP Series, Installation, Operation & Maintenance Manual

Page: 144 / 149

144
22 Position Terminal Block
Functions
A. Provides 6 sets of programmable contacts on
pin 1 thru pin 18 for intersection flash control, remote
alarms, pagers or per user's discretion.
1. Low Batt: the batteries reach approx
40%
2. On Batt: the unit is in inverter mode.
3. Timer: the unit has been in inverter
mode
4. Alarm: the "Alarm" contact energizes
a. Line Freq error
b. Low O/P watt c. No Temp
d. Overload
f. High Temp
e. No battery connect
g. Low Temp
5. Fault: the "Fault" contact energizes
when the following condition appear.
a. Short circuit
b. Batt low voltage
c. Batt high voltage
d. High temperature
e. Overload
B. Provides 48VDC signal to the PTS on pins 21 & 22
C. Triggers the self-test by momentarily shorting
Contact Type Form C dry contacts rated to 1 Amp at 120V
Wiring Uses 14-26 AWG
Communication Specifications
RS232 / USB Interface
Monitors, controls and calibrates with terminal
emulation software for service personnel to obtain unit diagnostics
RS232 DB-9, Female, Opto-Isolated
Ethernet Embedded HTML
Note: Specifications subject to change without notice