137
SRM1-C0
@
-V2 Master Control Units Section 4-5
General Specifications
Master Specifications
Item Specifications
Power supply voltage 24 V DC
Allowable power supply
voltage
20.4 to 26.4 V DC
Power consumption 3.5 W max.
Inrush current 12.0 A max.
Noise immunity 1500 Vp-p with a pulse width of 0.1 to 1 µs and a rise time
of 1 ns (via impulse noise simulator)
Vibration resistance Conforming to JIS C0911:
10 to 57 Hz with single-amplitude of 0.075 mm
57 to 150 Hz with fixed acceleration of 9.8 m/s
2
10 sweeps each in X, Y, and Z directions (8 minutes per
sweep × 10 sweeps = 80 minutes)
Shock resistance Conforms to JIS C0912
147 m/s
2
3 times each in X, Y, and Z directions
Ambient temperature Operating: 0 to 55°C
Storage: – 20 to 75°C
Ambient operating rela-
tive humidity
10% to 90% (with no condensation)
Operating environment No corrosive gases
Terminal screw size M3
Power holding time DC power: 2 ms min.
Weight 150 g max.
Item Specifications
I/O points 256 points (128 inputs/128 outputs) or
128 points (64 inputs/64 outputs)
(Determined by the usable node number setting in DM.
The default setting is 256 points.)
Number of points per
node number
8-point mode
Usable node numbers IN0 to IN15/OUT0 to OUT15 or
IN0 to IN7/OUT0 to OUT7
(Can be switched with setting in DM.)
I/O words Input: IR 000 to 007
Output: IR 010 to 017
Programming language Ladder program
Instructions 14 basic instruction + 81 special instructions with
129 variations
Processing speed LD instruction: 0.97 µs, MOV instruction: 9.1 µs
Program capacity 4,096 words
Data memory 2,022 words + 512 words (Read only)
Timers/Counters 128 total
Work bits 640
Memory backup Flash memory: User programs, etc. (without battery)
Lithium battery: Data memories, etc. (Battery life: 10 years
or more at ambient temperature of 25°C)
Peripheral port 1 port
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