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6. About Hardware

SMC-4DF-PCI, SMC-8DF-PCI

Board dimensions

[mm]

176.41(L)

106.68(H)

The standard outside dimension (L) is

the distance from the end of the board

to the outer surface of the slot cover.

Table 6.2. Encoder Input Section

Item Specification

Encode type Incremental

Maximum counter value

8000000h - 7FFFFFFh(-134,217,728 - 134,217,727), 28 bit

Input signal type

Single-phase input (UP/DOWN/Z) / Phase input (A/B/Z)

Supported output type

Differential output, TTL level output, open-collector output

Device used AM26LS32A(T.I) or equivalence to it

Terminal resistor 150Ω (Separatable with SW)

Receiver input

sensitivity

±200mV

In-phase input voltage

range

±7V

Distance in which signal

can be extended

10m (Depending on the time of connecting the differential output, wiring environment and

input frequency)

3m (Depending on the time of connecting the open-collector output, wiring environment and

input frequency)

1.5m (Depending on the time of connecting the TTL level output, wiring environment and

input frequency)

Response frequency

(Max.)

5MHz duty (When connecting the differential output, 2-phase Input, Multiply by 4, duty

50%)

3MHz duty (When connecting the TTL level output, 2-phase Input, Multiply by 4, duty 50%)

1MHz duty (When connecting the open-collector output, 2-phase Input, Multiply by 4, duty

50%)

Table 6.3. Limit Input Section

Item Specification

Signal channel

3channels/axis (original point, Forward limit, reserve limit)

Input signal name

ORG : origin input

+LIM : positive direction end limit input

-LIM : negative direction end limit input

Input logic

Enables selecting the positive/negative logic by using the Software

Input type

Opto-coupler input (corresponding to current sink output)

Response time (Max.)

200

μsec

Input resistance

4.7k

Input ON current

2.0mA or more

Input OFF current

0.16mA or less

External circuit power

supply

12V - 24VDC(±10%)

1 2 ... 66 67 68 69 70 71 72 73 74 75

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