112
SC-F70
SC-F70
PID Operation Operating Instructions
(2) When external AREA selection contact input is installed:
1. Number of input points:
4
2. Input method used:
No-voltage type contact
Resistance when OPEN:
500 k
W
minimum
Resistance when CLOSED:
10
W
maximum
3. Voltage when OPEN:
DC 5 V
4. Functions (selectable)
a. MAN/AUT sel area selection
b. LOC/REM sel area selection
c. Area selection
9.9 Communication Output
(1) Specifications
1. Communication interface
a. Conforms to EIA RS-422A
(specify type at time of order) b. Conforms to EIA RS-485
c. Conforms to EIA RS-232C
2. Protocol:
Conforms to ANSI X3.28 sub-category
2.5 A4
(2) Communication line
1. RS-422A:
4-wire, multidrop
2. RS-485:
2-wire, multidrop
3. RS-232C:
3-wire, point-to-point
(3) Communication distance
1. RS-422A:
1 km (3281 ft) maximum
2. RS-485:
1 km (3281 ft) maximum
3. RS-232C:
15 m (49 ft) maximum
Note: These values may differ slightly depending on cables and other
factors in the surrounding environment.
(4) Synchronization:
Start-stop synchronization
(5) Communication speed:
1200 bps, 2400 bps, 4800 bps,
9600 bps, or 19200 bps
(6) Data format
1. Start bit:
1
