Standards Specifications (4)
Name Pulse train b card
Model EP1
Input signal 2-wire type: On/Off contact, voltage pulse, current pulse (Power fed to transmitter is available)
3-wire type: power feeding type voltage pulse
Input frequency 0 to FR (kHz). However, 0 FR ≤ 6 (kHz) (*1)
Min. Input pulse b On and Off time: 60 _s each
Contact b: Relay contact, transistor contact
Detecting level Open: 100 kΩ or more
Closed: 200 Ω or less
Contact capacity 15 V DC, 15 mA or more
Input signal level Voltage/current Pulse b:
EL (low level) -1 to +8 V DC
Eh (High level) +3 to +24 V DC
Voltage swing Eh-EL ≥ 3 V (5 V or more for 6 kHz or more)
Signal source resistance: 1 kΩ or less
Input filter 10 ms, ON/OFF for setting Jumper pin
Internal load resistance Selected from 200 Ω, 510 Ω or 1 kΩ (by jumper pin inside card)
(for current pulse)
power supply for transmitter 12 V DC _10 %, 30 mA or less
Output signal Transistor contact (open collector), 2 outputs
Output frequency Same as b frequency
Output contact capacity 30 V DC, 30 mA (Max.)
Signal isolation Isolated between b and output signals, and b signal and power supply b
Mounting b Mounted in special nests (signal and power supply are connected via backboard and connector)
Wiring External wiring: Connected to M4 screw terminals for b/output of special nest, I/O card:
Special cable (connector connection)
External dimensions 73 (Width)x24 (Height)x115 (Depth) mm (including knob)
Weight 70 g
Isolation resistance Between b and output signals, b signal and power b: at 500 V DC,100 MΩ
Between output signal and power b: at 500 V DC, 100 MΩ
Withstanding voltage Between b and output signals, b signal and power b: 1500 V AC for 1 minute
Between output signal and power b: 500 V AC for 1 minute
Power voltage 24 V DC _10 %
Maximum current consumption 60 mA
(24 VDC)
Ambient conditions 0 to 50 _C /5 to 95 % RH (non-condensing)
*1: For voltage or current pulse, if swing amplitude is 5 V or more, 0< FR ≤ 12 (kHz) is available.
EP1*A橫河 EP1*A脈沖輸入卡 EP1*A橫河脈沖輸入卡
