横河EA0*A输出卡EA0
Standards Specifications (3)

Name                                       Output isolator card            Output isolator card     Control output isolator

card

Model                                                   EH0                                        EA0                                    EC0

Input signal                                                                  1 to 5 V DC                             1 to 5 V DC                      4 to 20 mA DC

Input resistance                                                                     1 MΩ (100 kΩ when power off)                       250 Ω or equivalent at

20 mA input

External resistance of input                                               –-                                             –-                               Reference (*1)

Output signal                                                          1 to 5 V DC, 1 point                                 4 to 20 mA DC, 1 point

Output resistance                                                           Up to 1 Ω                                               500 kΩ or more

Output load resistance                                               2 kΩ or more                                               Up to 750 Ω

Allowable input voltage                                                                        _30 V DC                                          Allowable input current:

40 mA DC

Signal isolation                                                      Isolated between output and input signals, and output signal and power input

Mounting method                                                          Mounted in special nests (connected via backboard and connector)

Wiring                                                               External wiring: Connected to M4 screw terminals for input/output of special nests I/O

cards: Special cable (connector cable)

External dimensions                                                             73 (Width)x24 (Height)x115 (Depth) mm (including knob)

Weight                                                                                                                            70 g

Accuracy rating                                                    Within _0.1 % of span          Within _0.1 % of span      Within _0.2 % of span

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 supply                                                                                                        24 V DC _10 %

Maximum current consumption (24 V DC)                    50 mA                                      85 mA                                 60 mA

Ambient conditions                                                                          0 to 50 _C /5 to 95 % RH (non-condensing)

Effect of ambient temperature change                                                Max. _0.2 % of span for 10 _C change

Effect of power supply voltage change                                    Max. _0.1 % of span for change of 24 V DC _10 %

*1:  Allowable external input residence ≤ Allowable load resistance of current signal –250 (Ω).

横河EA0*A输出卡EA0横河EA0*A输出卡EA0横河EA0*A输出卡EA0