CT2100-400 Datasheet, PDF (4/6 Pages) Aeroflex Circuit Technology – CT2100-400 MICROPROCESSOR CONTROLLED QUAD SOLID STATE RELAY

Table 5 — Bus Bit Definition
ADDRESS = 0
BIT
WRITE CYCLE
READ CYCLE
D0
S1 ON/OFF 0 = ON
S1 ON/OFF status (Bit = 0)(When switch on)
D1
Not Used
S1 TRIP status (Bit = 1)(When short circuit protection active))
D2
S2 ON/OFF 0 = ON
S2 ON/OFF Status
D3
Not Used
S2 TRIP Status
D4
S3 ON/OFF 0 = ON
S3 ON/OFF Status
D5
Not Used
S3 TRIP Status
D6
S4 ON/OFF 0 = ON
S4 ON/OFF Status
D7
Not Used
S4 TRIP Status
ADDRESS = 1 (Wrap Around)
D0 – D7
Bit = 1 or 0
Whatever was written in the write cycle will be read
ADDRESS = 2
D0
X \1
0 = Command On (Signal being sent from the control side to Isolation Driver)
D1
X
Not Used
D2
X
0 = Command On (Signal being sent from the control side to Isolation Driver)
D3
X
Not Used
D4
X
0 = Command On (Signal being sent from the control side to Isolation Driver)
D5
X
Not Used
D6
X
0 = Command On (Signal being sent from the control side to Isolation Driver)
D7
X
Not Used
\1 X = Don’t care. During a write cycle (Address 2) it shall be considered as if the INIT is enabled.
Table 6 —Built-in Test Status (BIT)
Switch Control
(Closed/OPEN)
TRIP Status
ON/OFF Status
Conclusion
1
0
1
Normal (OFF)
0
0
0
Normal (ON)
0
1
1
Switch Tripped off due to excessive load current
Note: All other TRIP and ON/OFF status combinations are indicative of switch, BIT or load failures
Aeroflex Circuit Technology
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SCDCT2100 REV B 10/1/98 Plainview NY [phone]