FEC920: USER GUIDE
Appendix A
Page 212
A5e38775501-AA
September 18
A4 RELAY AND LOGIC I/O SPECIFICATION
OP1, OP2, OP3, OP4 and OP5 logic input, logic output and relay specification.
Active (current on) current sourcing logic output
Voltage output across terminals
+11V min; +13V max.
Short circuit output current
6mA min. (steady state); 44mA max. (switch current)
Inactive (current off) current sourcing logic output (OP1 or OP2 only)
Voltage output across terminals
0V (min.); 300mV (max.)
Output source leakage current
into short circuit
0
ȝ
A (min.); 100
ȝ
A max.
Active (current on) contact closure sourcing logic input (OP1 and OP2 only)
Input current
Input at 12V:
0mA (min.); 44mA (max.)
input at 0V:
6mA min. (steady state); 44mA max. (switch current)
Open circuit input voltage
11V (min.); 13V (max.)
Open circuit (inactve) resistance
500
ȍ
(min.);
f
(max.)
Closed circuit (active) resistance
0
ȍ
(min.); 150
ȍ
(max.)
Relay contacts (OP1, OP2 and OP3) - AgCdO
Contact switching power (resistive)
Max: 2A at 230V RMS ±15%; Min: 100mA @ 12V.
Maximum current through terminals
2A
Estimated mechanical life:
>10,000,000 operations
Relay contacts (OP4 and OP5) - AgNi
Contact switching power (resistive)
Max: 1A at 230V RMS ±15%; Min: 5mA @ 5V.
Maximum current through terminals
1A
Estimated mechanical life:
>10,000,000 operations
A5 DIGITAL INPUTS
DigInA, DigInB, contact closure logic input
Contact closure
Short circuit sensing current (source)
5.5mA (min.); 6.5mA (max.)
Open circuit (inactive) resistance
600
ȍ
(min.);
f
(max.)
Closed circuit (active) resistance
0
ȍ
(min.); 300
ȍ
(max.)
Maximum frequency
8Hz
Minimum pulse width
62.5ms
A6 DC OUTPUTS
OP1, OP2, OP3 DC analog outputs
Current outputs (OP1, OP2 and OP3)
Output ranges
Configurable within 0 to 20mA
Load resistance
500
ȍ
Max.
Calibration accuracy
<±100
ȝ
A ±1% of reading
Voltage outputs (OP3 only)
Output range
Configurable within 0 to 10V
Output impedance
500
ȍ
Min.
Calibration accuracy
<±50mV ±1% of reading
General
Isolation
300Vac double insulated from instrument and other I/O
Resolution
>11 bits
Thermal drift
<100ppm/°C
A7 BLOCKS SUPPORTED
A7.1 ‘Toolkit’ Blocks
Eight-input logic
Eight input multiplexer
Timers
Two-input logic
Two-input maths
User values
A5E45696052A Rev-AA
