Model 360E Instruction Manual TROUBLESHOOTING & REPAIR PROCEDURES
11.5.7.4. Status Outputs
The procedure below can be used to test the Status outputs:
1. Connect a jumper between the “D“ pin and the “” pin on the status output connector.
2. Connect a 1000 ohm resistor between the “+” pin and the pin for the status output that is being tested.
3. Connect a voltmeter between the “” pin and the pin of the output being tested (see table below).
Under the DIAG SIGNAL I/O menu (See Section 11.1.3), scroll through the inputs and outputs until you get to
the output in question. Alternately turn on and off the output noting the voltage on the voltmeter, it should vary
between 0 volts for ON and 5 volts for OFF.
Table 11-12: Status Outputs Check
PIN (LEFT TO RIGHT) STATUS
1 SYSTEM OK
2 CONC VALID
3 HIGH RANGE
4 ZERO CAL
5 SPAN CAL
6 DIAG MODE
7 ALRM1
8 ALRM2
11.5.7.5. Control Inputs – Remote Zero, Span
The control input bits can be tested by the following procedure:
1. Connect a jumper from the +5 pin on the Status connector to the x5V on the Control In connector.
2. Connect a second jumper from the ‘-‘ pin on the Status connector to the A pin on the Control In
connector. The instrument should switch from SAMPLE mode to ZERO CAL R mode.
3. Connect a second jumper from the ‘-‘ pin on the Status connector to the B pin on the Control In
connector. The instrument should switch from SAMPLE mode to SPAN CAL R mode.
4. In each case, the M360E should return to SAMPLE mode when the jumper is removed.
05232 Rev B3 215