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Standards Specifications (5)
Name Frequency input
Model EP3
2-wire type: On/Off contact, voltage pulse, current pulse
Input signal (Internal distributor may be used to supply power to transmitter)
3-wire type: Voltage pulse, internal distributor may be used to supply power to transmitter
Input frequency 0 to 10 kHz (Low level input cut off point 0.01 Hz)
100. frequency 0.1 Hz to 10 kHz
Zero elevation Between 0 to 50 % of input frequency
Measuring range and low Can be changed by BRAIN terminal (*1)
level input cut off point
Main. Input pulse width On time: 60 _s Off time : 60 _s (for input frequency 0 to 6 kHz)
On time: 30 _s Off time : 30 _s (for input frequency 6 to 10 kHz)
Contact input: Relay contact, transistor contact
Detection level Open: more than100 kΩ
Closed: less than 200 Ω
Contact capacity: at least 15 V DC, 15 mA or more
Input signal level Voltage/current Pulse input:
EL (low level): -1 to +8 V DC
Eh (high level): +3 to +24 V DC
Voltage swing: (Eh-El): ≥ 3 V pp (for input frequency 0 to 6 kHz )
Signal source resistance: ≥ 5 V pp (for input frequency 6 to 10 kHz )
1 k? or less
Internal load resistance Selected for 200 Ω, 500 Ω or 1 kΩ, Jumper pin on the card (for current pulse input)
Input filter 10 ms, ON/OFF for setting Jumper pin
Internal distributor 12 V DC 30 mA or 24 V DC 30 mA. Set for Jumper pin
Output signal 1 to 5 V DC, 2 outputs (output resistance: 1 Ω max., load resistance: 2 kΩ min.)
Accuracy rating (*2) Within _0.1 % of span
Signal isolation Isolated between input and output signals, and input signal and power supply input
Mounting method Mounted in special nests (signal and power supply are connected via backboard and connector)
Wiring External wiring: Connected to M4 screw terminals for input/output inspecial nest, I/O card:
Special cable (connector connection)
External dimensions 73 (Width)x24 (Height)x115 (Depth) mm (including knob)
Weight 75 g
Isolation resistance Between input and output signals, input signal and power input: at 500 V DC,100 MΩ
Between output signal and power input: at 500 V DC, 100 MΩ
Withstanding voltage Between input and output signals, input signal and power input: 1500 V AC for 1 minute
Between output signal and power input: 500 V AC for 1 minute
Power voltage 24 V DC _10 %
Maximum current 110 mA
consumption (24 VDC)
Ambient conditions 0 to 50 _C /5 to 95 % RH (non-condensing)
Effect of ambient Max. _0.2 % of span for 10 _C change
temperature change
Effect of power supply Max. _0.1 % of span for change of 24 V DC _10 %
voltage change
*1: Valid number of digit is 4 for the range and low cut off point.
*2: Accuracy rating for the second output is _0.2 %.
EP3橫河 EP3*A頻率輸入卡 EP3*A橫河頻率輸入卡
