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Table of Contents - TG Drives

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58<br />

RD1, Resolver/Digital converter #1.<br />

EXTENDED REGISTER GROUPS<br />

RD1.Pos Is an absolute position value related to the absolute position<br />

the resolver had upon FW initialization.<br />

RD1.AmplAdj Holds the sign <strong>of</strong> the error that causes a ResolvErr interrupt.<br />

RD1. Mode = 16 High-resolution mode active.<br />

RD1. Mode = 32 Automatic amplitude compensation active.<br />

RD1.SinGain Compensation for gain differences between the sine and<br />

cosine input amplifier.<br />

RD1.ChkLowLim When the amplitude falls below this value, a resolver<br />

interrupt is generated.<br />

RD1.ChkErr Last resolver error code.<br />

RD1.ChkNom Nominal value for resolver amplitude.<br />

RD1.ChkThreshold The difference between RD1.Ampl and RD1.ChkNom must<br />

exceed this value before any action is taken.<br />

RELATED ITEMS<br />

SysIo.PWM0 Controls the amplitude <strong>of</strong> the excitation signal. An<br />

adjustment routine (PL2 coded) for this parameter is<br />

included in the SW package. The exitation amplitude is<br />

inversely proportional to this value.<br />

Vector.ResolvErr System interrupts vector for resolver monitoring.<br />

Int.SysMask Bit mask for system interrupts, bit 7 (bit value 128),<br />

enables the monitoring.<br />

Int.SysPend Bit mask for pending events, bit 7 (bit value 128),<br />

indicates the ResolvErr event.<br />

Ref Pos Statement for relocation <strong>of</strong> the relative position <strong>of</strong> the<br />

axis.<br />

EXAMPLE USAGE<br />

.<br />

RD1.Mode = 1<br />

gosub ResCal<br />

.<br />

Ref Pos 0<br />

;normal operation<br />

;adjust resolver parameters<br />

;Sets the current reported position to 0<br />

GROUP MEMBERS (GROUP 2)<br />

Group Member Member<br />

No<br />

Range Ability Default<br />

RD1.Mode 0 0..256 RW 0<br />

RD1.Mode=0 Inactive<br />

RD1.Mode=1 Active<br />

Mode selects whether the RD1 is active or not.<br />

User's Manual 5.1 Inmotion Technologies AB<br />

Doc. No.9032 0027 01 (B), Rev. 11.07.2001

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